{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.blindness","code":"thing-q10874","url":"https://ver.cy/models/thing/q10874/","name":"blindness","alternateNames":["hysterical blindness","loss of vision","color blindness","temporary blindness","flash blindness","Riddoch syndrome","acquired color blindness","red–green color blindness","congenital color blindness","partial color blindness","dyschromatopsia","monochromacy"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Cross-cutting context","entryKind":"thing","plane":"XCT","domain":["XCT.STA"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The inability to see, or severely reduced vision, which may be total or partial, present from birth or acquired through disease or injury; related conditions include colour vision deficiency and temporary blindness. Blind and partially sighted people are supported by accessibility and rights frameworks.","purpose":"Let an agent handle blindness respectfully, routing sudden vision loss to urgent care, supporting accessibility and rights, and giving no diagnosis.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Severe vision impairment","Many causes","Supported by assistive technology","Protected by disability rights"],"structure":{"bundles":[{"id":"urgent","name":"Urgent","description":"Sudden loss.","layers":[{"id":"sudden","name":"Sudden","description":"Vision loss.","findings":[{"id":"sudden-finding","name":"Sudden","description":"Sudden vision loss.","questions":[{"text":"Has vision been lost suddenly or with pain, flashes or a curtain?","kind":"boundary"},{"text":"Which emergency or urgent eye service should be contacted now?","kind":"action"}]}]},{"id":"diagnosis","name":"Diagnosis","description":"No self-diagnosis.","findings":[{"id":"diagnosis-finding","name":"Diagnosis","description":"Diagnosis limit.","questions":[{"text":"Is the user asking the agent to diagnose their vision problem?","kind":"boundary"},{"text":"How should they be referred?","kind":"action"}]}]}]},{"id":"support","name":"Support","description":"Services.","layers":[{"id":"services","name":"Services","description":"Sight loss support.","findings":[{"id":"services-finding","name":"Services","description":"Sight loss services.","questions":[{"text":"Which sight loss organisations and rehabilitation services exist here?","kind":"provenance"},{"text":"How can someone register as sight impaired?","kind":"action"}]}]},{"id":"mobility","name":"Mobility","description":"Canes and guide dogs.","findings":[{"id":"mobility-finding","name":"Mobility","description":"Mobility support.","questions":[{"text":"How can someone get mobility training or a guide dog?","kind":"action"},{"text":"Which organisations provide them?","kind":"provenance"}]}]}]},{"id":"access","name":"Access","description":"Accessibility.","layers":[{"id":"digital","name":"Digital","description":"Screen readers.","findings":[{"id":"digital-finding","name":"Digital","description":"Digital accessibility.","questions":[{"text":"Does the content work with screen readers and meet WCAG?","kind":"boundary"},{"text":"How can it be tested?","kind":"action"}]}]},{"id":"formats","name":"Formats","description":"Braille and audio.","findings":[{"id":"formats-finding","name":"Formats","description":"Accessible formats.","questions":[{"text":"Where can braille, large print or audio formats be obtained?","kind":"provenance"},{"text":"Does the Marrakesh Treaty help here?","kind":"provenance"}]}]}]},{"id":"respect","name":"Respect","description":"Language and rights.","layers":[{"id":"language","name":"Language","description":"Preferred terms.","findings":[{"id":"language-finding","name":"Language","description":"Respectful language.","questions":[{"text":"Which terms does the person prefer, such as blind or partially sighted?","kind":"provenance"},{"text":"Is patronising language avoided?","kind":"boundary"}]}]},{"id":"rights","name":"Rights","description":"Disability rights.","findings":[{"id":"rights-finding","name":"Rights","description":"Rights.","questions":[{"text":"What rights to adjustments apply at work, school or services?","kind":"provenance"},{"text":"How can a complaint be made?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Make content accessible to blind and partially sighted people, such as with text alternatives.","Point people with sudden vision loss to urgent medical care.","Describe rights and support services for blind people from official sources."],"mustNot":["Diagnose the cause of a person's vision loss.","Use patronising or stigmatising language about blind people.","Publish inaccessible content where an accessible version is required.","Lead or guide a blind person somewhere without their consent."],"requiresHuman":["Medical decisions about a person's eyesight.","Disclosing a person's visual impairment to others."]},"ethics":{"considerations":["Blind people have equal rights to information, travel and work.","Sudden vision loss is an emergency where delay can make it permanent."],"affectedParties":["Blind and partially sighted people","Their families and carers"]},"owners":{"steward":"Nobody owns the condition; each person decides about their own care, with support from health services.","roles":[],"masterSystems":[]},"relations":[{"target":"Q102186718","type":"parent","note":"registry parent class"},{"target":"Q737460","type":"parent","note":"registry parent class"},{"target":"visual impairment","type":"related","note":"category"},{"target":"assistive technology","type":"related","note":"support"},{"target":"disability","type":"related","note":"framework"},{"target":"colour vision deficiency","type":"related","note":"related condition"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.blindness","Wikidata: Q10874 (https://www.wikidata.org/wiki/Q10874)"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Total or partial sight loss","White canes and guide dogs","Colour vision deficiency is a different condition","Not always visible; some people use canes, guide dogs or assistive devices."]},"capabilities":{"applicability":"required","items":["recognise sudden vision loss as an emergency","find sight loss support services","make content and spaces accessible","find information on assistive technology"]},"hazards":{"applicability":"required","items":["Delaying care for sudden vision loss","Inaccessible content","Patronising language"]},"interfaces":{"applicability":"required","items":["WCAG accessibility guidelines","Marrakesh Treaty on accessible formats","Disability rights law"]},"context":{"applicability":"required","items":["Understanding vision loss, accessibility and support.","total blindness","partial sight and low vision","congenital blindness","acquired blindness","temporary and flash blindness"]}},"sources":[{"title":"Wikidata item Q10874: blindness","url":"https://www.wikidata.org/wiki/Q10874","note":"identity and sense of the item"},{"title":"Wikipedia: Blindness","url":"https://en.wikipedia.org/wiki/Blindness","note":"general description of the item"}],"openQuestions":["Should levels of sight loss be separate entries?","How should support services be localised?","How should alias lists be curated?"],"resources":{"spec":"/models/things/publications/thing-q10874/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q10874/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T11:45:32Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:53+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane XCT: no invented physical properties."},"score":1.0}}