{
    "model": {
        "rank": 18597,
        "code": "thing-q3041498",
        "model_id": "vr.tr.eye-disease",
        "name": "eye disease",
        "purpose": "Let an agent handle eye diseases as clinical categories, give only general information, stress urgent signs, and direct people to eye care professionals.",
        "family": "Thing Registry",
        "category": "Cross-cutting context",
        "status": "research-draft",
        "kind": "thing",
        "plane": "XCT",
        "domain": "XCT.STA",
        "industry": "",
        "version": "",
        "url": "/models/thing/q3041498/",
        "tier": 2,
        "score": 29,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "eye tumor",
                "cornea neoplasm",
                "intraocular schwannoma",
                "eye irritation",
                "eye symptom",
                "IgG4-related ophthalmic disease",
                "ocular melanosis",
                "cornea symptom",
                "vision symptom",
                "asthenopia",
                "Eye injuries during general anaesthesia",
                "eye degenerative disease",
                "ocular tuberculosis",
                "corneal degeneration",
                "phthisical cornea",
                "ocular motility disease",
                "orbital apex syndrome",
                "Ocular neuromyotonia",
                "Late congenital syphilitic oculopathy",
                "coloboma of optic nerve",
                "eye injury",
                "hereditary eye disease",
                "shot to the eye",
                "globe rupture",
                "corneal damage",
                "Berlin's edema",
                "Blast-related ocular trauma",
                "ocular anterior capsular rupture",
                "posterior capsular rupture",
                "retinal phototoxicity",
                "polypoidal choroidal vasculopathy",
                "osseous choristoma of the ciliary body",
                "rare eye disease",
                "ocular hypertension",
                "HOGA",
                "Reese-Blodi retinal dysplasia",
                "Peters anomaly",
                "Keratoendotheliitis fugax hereditaria",
                "Rosenthal–Kloepfer syndrome",
                "vitreous disease"
            ],
            "aliasCount": 125,
            "merged": 125,
            "knownIn": 29,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.eye-disease",
            "source": {
                "dataset": "wikidata",
                "item": "Q3041498",
                "url": "https://www.wikidata.org/wiki/Q3041498",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-11T06:19:07Z",
                "providers": [
                    "Claude"
                ],
                "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
                "pass": 2,
                "wave": 1,
                "engine": "claude"
            },
            "metaModel": {
                "id": "THING-Q3041498",
                "registryId": "vr.tr.eye-disease",
                "name": "eye disease",
                "version": "0.2.0-wave.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "XCT.STA"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q3041498/",
            "model": {
                "registry_id": "vr.tr.eye-disease",
                "name": "eye disease",
                "purpose": "Let an agent handle eye diseases as clinical categories, give only general information, stress urgent signs, and direct people to eye care professionals.",
                "definition": "A disease or disorder of the eye and its adnexa, such as cataract, glaucoma, macular degeneration, infections, tumours and inflammatory conditions.",
                "what_it_is_for": "Naming conditions that threaten sight so they can be treated and prevented.",
                "affordances": [
                    "diagnose it, by optometrists and ophthalmologists",
                    "treat it",
                    "screen for it, such as diabetic eye screening",
                    "support people with sight loss"
                ],
                "distinguishing_features": [
                    "Affects the eye and adnexa",
                    "Many are painless until advanced",
                    "Some are emergencies, such as sudden vision loss",
                    "Screening prevents blindness in some conditions"
                ],
                "appearance": "No single appearance; some cause redness or cloudiness, many are invisible without examination.",
                "visual_identification": [
                    "Eye examination establishes diagnosis",
                    "Symptoms such as vision loss need prompt assessment",
                    "Eye symptoms merged in aliases are not diseases themselves"
                ],
                "physical_properties": [],
                "families_and_kinds": [
                    "cataract",
                    "glaucoma",
                    "macular degeneration",
                    "diabetic retinopathy",
                    "infections and inflammation",
                    "eye tumours"
                ],
                "related_models": [
                    {
                        "relation": "is a kind of",
                        "target": "disease",
                        "why": "organ-specific"
                    },
                    {
                        "relation": "is treated by",
                        "target": "medicine",
                        "why": "ophthalmology"
                    },
                    {
                        "relation": "can cause",
                        "target": "sight loss",
                        "why": "consequence"
                    },
                    {
                        "relation": "is classified in",
                        "target": "ICD-11 chapter 9",
                        "why": "codes"
                    }
                ],
                "identifiers": [
                    {
                        "scheme": "ICD-11 code",
                        "value_or_pattern": "chapter 9 codes",
                        "note": "visual system diseases"
                    }
                ],
                "standards_and_regulation": [
                    "WHO ICD-11",
                    "National eye screening programmes",
                    "Driving vision standards"
                ],
                "failure_modes_and_hazards": [
                    "Delaying care for sudden vision loss",
                    "Giving individual medical advice",
                    "Misunderstanding driving rules"
                ],
                "in_scope": [],
                "out_of_scope": [],
                "characteristics": []
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "classification",
                        "name": "Classification",
                        "description": "Which condition.",
                        "rationale": "Codes identify conditions.",
                        "layers": [
                            {
                                "id": "condition",
                                "name": "Condition",
                                "description": "Name and code.",
                                "findings": [
                                    {
                                        "id": "condition-finding",
                                        "name": "Condition",
                                        "description": "The condition.",
                                        "questions": [
                                            {
                                                "text": "Which eye condition is it, by ICD-11 code?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which part of the eye is affected?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "course",
                                "name": "Course",
                                "description": "Progression.",
                                "findings": [
                                    {
                                        "id": "course-finding",
                                        "name": "Course",
                                        "description": "Progression.",
                                        "questions": [
                                            {
                                                "text": "How does it usually progress?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "Can sight loss be prevented?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "urgency",
                        "name": "Urgency",
                        "description": "Urgent signs.",
                        "rationale": "Some eye symptoms are emergencies.",
                        "layers": [
                            {
                                "id": "signs",
                                "name": "Warning signs",
                                "description": "Sudden changes.",
                                "findings": [
                                    {
                                        "id": "signs-finding",
                                        "name": "Warning signs",
                                        "description": "Urgent signs.",
                                        "questions": [
                                            {
                                                "text": "Which symptoms need same-day eye care or emergency help?",
                                                "kind": "action"
                                            },
                                            {
                                                "text": "Where should the person go?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "screening",
                                "name": "Screening",
                                "description": "Programmes.",
                                "findings": [
                                    {
                                        "id": "screening-finding",
                                        "name": "Screening",
                                        "description": "Screening.",
                                        "questions": [
                                            {
                                                "text": "Which screening programmes apply?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Who is eligible?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "care",
                        "name": "Care",
                        "description": "Treatment.",
                        "rationale": "Care is professional.",
                        "layers": [
                            {
                                "id": "treatment",
                                "name": "Treatment",
                                "description": "Guidelines.",
                                "findings": [
                                    {
                                        "id": "treatment-finding",
                                        "name": "Treatment",
                                        "description": "Treatment guidance.",
                                        "questions": [
                                            {
                                                "text": "What do guidelines recommend?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "What must the agent not advise?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "support",
                                "name": "Support",
                                "description": "Sight loss.",
                                "findings": [
                                    {
                                        "id": "support-finding",
                                        "name": "Support",
                                        "description": "Sight loss support.",
                                        "questions": [
                                            {
                                                "text": "What support exists for people with sight loss?",
                                                "kind": "action"
                                            },
                                            {
                                                "text": "Which accessibility aids help?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "daily-life",
                        "name": "Daily life",
                        "description": "Driving and work.",
                        "rationale": "Eye conditions affect daily life.",
                        "layers": [
                            {
                                "id": "driving",
                                "name": "Driving",
                                "description": "Vision rules.",
                                "findings": [
                                    {
                                        "id": "driving-finding",
                                        "name": "Driving",
                                        "description": "Driving standards.",
                                        "questions": [
                                            {
                                                "text": "Does the condition affect driving eligibility?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "text": "Must the licensing authority be told?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "work",
                                "name": "Work",
                                "description": "Adjustments.",
                                "findings": [
                                    {
                                        "id": "work-finding",
                                        "name": "Adjustments",
                                        "description": "Work adjustments.",
                                        "questions": [
                                            {
                                                "text": "What adjustments can workplaces make?",
                                                "kind": "action"
                                            },
                                            {
                                                "text": "Which law requires them?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Should eye diseases be separate entries?",
                "How should urgent eye symptoms be presented?",
                "The registry entry merges symptoms and tumours; should they be split off?"
            ],
            "statistics": {
                "bundles": 4,
                "layers": 8,
                "findings": 8,
                "questions": 16
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "disease or condition",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a eye disease, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Let an agent handle eye diseases as clinical categories, give only general information, stress urgent signs, and direct people to eye care professionals.",
            "characteristics": {
                "substance": "abstract",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: eye tumor, cornea neoplasm, intraocular schwannoma, eye irritation, eye symptom, IgG4-related ophthalmic disease, ocular melanosis, cornea symptom, vision symptom, asthenopia, Eye injuries during general anaesthesia, eye degenerative disease.",
                "125 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 29 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a eye disease, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "an abstraction with no physical instance",
            "physicalCharacter": [
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Recognised by criteria applied to signs and findings, not by appearance. Two conditions can look identical and be distinguished only by test."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "eye tumor",
                        "cornea neoplasm",
                        "intraocular schwannoma",
                        "eye irritation",
                        "eye symptom",
                        "IgG4-related ophthalmic disease",
                        "ocular melanosis",
                        "cornea symptom",
                        "vision symptom",
                        "asthenopia",
                        "Eye injuries during general anaesthesia",
                        "eye degenerative disease"
                    ]
                }
            ],
            "standing": "Described in 29 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 125 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one eye disease from another, and a eye disease from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a eye disease, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a eye disease, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a eye disease is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a eye disease, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a eye disease, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a eye disease is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a eye disease sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a eye disease, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a eye disease, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a eye disease is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a eye disease from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a eye disease, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a eye disease, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a eye disease is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a eye disease passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a eye disease between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a eye disease, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a eye disease, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a eye disease is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a eye disease, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a eye disease is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a eye disease, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a eye disease, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a eye disease is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "diagnosis-and-criteria",
                        "name": "Diagnosis, criteria and coding",
                        "description": "What makes a case of eye disease a case, and under which revision.",
                        "rationale": "Criteria change between revisions, so a diagnosis without its coding revision cannot be compared with a later one.",
                        "layers": [
                            {
                                "id": "criteria",
                                "name": "Diagnostic criteria",
                                "description": "The criteria in force and who issues them.",
                                "findings": [
                                    {
                                        "id": "criteria-record",
                                        "name": "Criteria, issuer and revision",
                                        "description": "What must be true for a diagnosis, according to whom.",
                                        "questions": [
                                            {
                                                "id": "criteria-record-q01",
                                                "text": "What criteria define eye disease, issued by which body, in which revision?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "criteria-record-q02",
                                                "text": "What changed between revisions that would reclassify existing cases?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "coding",
                                "name": "Coding and terminology",
                                "description": "The codes used to record it and their mapping.",
                                "findings": [
                                    {
                                        "id": "coding-record",
                                        "name": "Codes and mappings",
                                        "description": "Which classification codes apply and how they map.",
                                        "questions": [
                                            {
                                                "id": "coding-record-q01",
                                                "text": "Which classification and terminology codes cover eye disease, and how do they map to each other?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "coding-record-q02",
                                                "text": "What is lost when a case is mapped from one scheme to another?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "course-and-population",
                        "name": "Course, population and care",
                        "description": "How eye disease develops, whom it affects, and what is done about it.",
                        "rationale": "The condition, the diagnosis and the episode of care are three different things, and an agent must not merge them.",
                        "layers": [
                            {
                                "id": "course",
                                "name": "Course and stages",
                                "description": "Onset, progression, remission and outcome.",
                                "findings": [
                                    {
                                        "id": "course-record",
                                        "name": "Stages and transitions",
                                        "description": "The stages recorded and what moves a case between them.",
                                        "questions": [
                                            {
                                                "id": "course-record-q01",
                                                "text": "What course does eye disease typically take, and what marks each stage?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "course-record-q02",
                                                "text": "What separates the condition itself from an episode of care for it?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "population",
                                "name": "Affected populations",
                                "description": "Who is affected, how often, and on what evidence.",
                                "findings": [
                                    {
                                        "id": "epidemiology",
                                        "name": "Prevalence and its basis",
                                        "description": "Rates with their population, period and source.",
                                        "questions": [
                                            {
                                                "id": "epidemiology-q01",
                                                "text": "What prevalence or incidence is reported for eye disease, in which population and period?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "epidemiology-q02",
                                                "text": "What may an agent not conclude about an individual from a population rate?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a eye disease came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a eye disease and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a eye disease, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a eye disease, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a eye disease is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a eye disease is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a eye disease, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a eye disease, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a eye disease is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 5,
                "layers": 10,
                "findings": 12,
                "questions": 32
            }
        }
    }
}