{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.tear","code":"thing-q76469","url":"https://ver.cy/models/thing/q76469/","name":"tear","alternateNames":["basal tears","reflex tears","emotional tears"],"kind":"thing","status":"published","version":"0.2.0-wave.3","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.LIV"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The clear salty fluid secreted by the lacrimal glands that lubricates and protects the eye, in three kinds: basal tears that continuously coat the cornea, reflex tears produced in response to irritants such as onion vapour or wind, and emotional tears shed in response to strong feelings, a response apparently unique to humans; tears contain water, salts, proteins, lipids and antibodies, drain through the tear ducts into the nose, and their deficiency causes dry eye.","purpose":"Let an agent explain tears and their kinds, relay composition and function from physiological sources, describe emotional crying with research attributed, and route eye or emotional concerns to appropriate professionals.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Three kinds","Three-layer film","Immune components","Emotional tears unique to humans"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What tears are.","layers":[{"id":"kinds","name":"Kinds","description":"Kinds and composition.","findings":[{"id":"kinds-finding","name":"Kinds","description":"Kinds.","questions":[{"text":"What are basal, reflex and emotional tears, and what are they made of?","kind":"definition"},{"text":"Is the question about tears, eye discharge or artificial tears?","kind":"boundary"}]}]},{"id":"function","name":"Function","description":"Function.","findings":[{"id":"function-finding","name":"Function","description":"Function.","questions":[{"text":"How does the tear film protect and nourish the eye, and how do tears drain?","kind":"definition"},{"text":"Which entry fits lacrimal apparatus?","kind":"action"}]}]}]},{"id":"clinical","name":"Clinical","description":"Eye health.","layers":[{"id":"dryeye","name":"Dry eye","description":"Dry eye.","findings":[{"id":"dryeye-finding","name":"Dry eye","description":"Dry eye.","questions":[{"text":"What is dry eye disease, and how is it managed in general terms?","kind":"provenance"},{"text":"Is the user describing eye symptoms, which need an eye care professional?","kind":"boundary"}]}]},{"id":"other","name":"Other","description":"Other conditions.","findings":[{"id":"other-finding","name":"Other","description":"Other.","questions":[{"text":"What conditions such as blocked tear ducts and excessive tearing exist?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]}]},{"id":"emotion","name":"Emotion","description":"Emotional tears.","layers":[{"id":"research","name":"Research","description":"Research on crying.","findings":[{"id":"research-finding","name":"Research","description":"Research.","questions":[{"text":"What does research say about why humans cry emotionally and whether it helps, with findings attributed?","kind":"provenance"},{"text":"Which sources are cited?","kind":"provenance"}]}]},{"id":"support","name":"Support","description":"Support.","findings":[{"id":"support-finding","name":"Support","description":"Support.","questions":[{"text":"When might persistent crying signal a need for support, in general terms?","kind":"provenance"},{"text":"Is the user describing distress, which may need support services?","kind":"boundary"}]}]}]},{"id":"context","name":"Context","description":"Culture and science.","layers":[{"id":"culture","name":"Culture","description":"Culture.","findings":[{"id":"culture-finding","name":"Culture","description":"Culture.","questions":[{"text":"How do cultures view tears and crying, from mourning rituals to gender norms?","kind":"provenance"},{"text":"Which entry fits crying in culture?","kind":"action"}]}]},{"id":"science","name":"Science","description":"Tear science.","findings":[{"id":"science-finding","name":"Science","description":"Science.","questions":[{"text":"How are tears studied as a diagnostic fluid and in tear film research?","kind":"provenance"},{"text":"Which entry fits tear film?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Explain the kinds of tears and their function in protecting the eye.","Encourage a person with persistent dry, painful or watering eyes to see an eye care professional."],"mustNot":["Treat a person's crying as data to be logged, scored or reported.","Infer a person's emotional state or truthfulness from whether they cry.","Recommend eye drops or remedies in place of an eye examination.","Record or share images of a person crying without their consent."],"requiresHuman":["Any clinical assessment or treatment of tear film or lacrimal disorders.","Responding to a person in evident emotional distress."]},"ethics":{"considerations":["Crying is an intimate signal, and treating it as a measurement intrudes on dignity.","Emotion recognition claims built on tears or facial signs are unreliable and have been used to judge people."],"affectedParties":["People in distress","Patients with dry eye disease","People subject to emotion analysis"]},"owners":{"steward":"Nobody owns it; the examining clinician answers for care of a tear disorder.","roles":[],"masterSystems":[]},"relations":[{"target":"Q1058795","type":"parent","note":"registry parent class"},{"target":"body fluid","type":"related","note":"in registry terms"},{"target":"lacrimal gland","type":"related","note":"and accessory glands"},{"target":"cornea","type":"related","note":"and conjunctiva"},{"target":"crying","type":"related","note":"in emotional tears"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.tear","Wikidata: Q76469 (https://www.wikidata.org/wiki/Q76469)","MeSH: D013666 tears"]},"properties":{"applicability":"required","items":["daily basal tear production: about 0.75-1.1 grams","tear film layers: 3 count - lipid, aqueous, mucin","salinity: about 0.9 percent - similar to blood"]},"recognition":{"applicability":"required","items":["Lacrimal fluid","Basal, reflex and emotional tears","Eye discharge and mucus differ; artificial tears are lubricant drops","Clear liquid on the eye surface or running down the face."]},"capabilities":{"applicability":"required","items":["explain kinds and composition","relay function","describe emotional crying","route personal concerns"]},"hazards":{"applicability":"required","items":["Dry eye from insufficient tears","Blocked tear ducts","Agents giving personal medical advice","Stigma around crying"]},"interfaces":{"applicability":"required","items":["Clinical guidelines on dry eye disease","Regulation of artificial tears as medical products"]},"context":{"applicability":"required","items":["Protecting the eye and expressing emotion.","basal tears","reflex tears","emotional or psychic tears","tear film components: lipid, aqueous and mucin layers","artificial tears as substitutes"]}},"sources":[{"title":"Wikidata item Q76469: tear","url":"https://www.wikidata.org/wiki/Q76469","note":"identity and sense of the item"},{"title":"Wikipedia: Tears","url":"https://en.wikipedia.org/wiki/Tears","note":"general description of the item"}],"openQuestions":["Should dry eye and crying be separate primary entries?","How should physiological references be linked?","How should research on emotional tears be linked?"],"resources":{"spec":"/models/things/publications/thing-q76469/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q76469/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-13T02:58:53Z","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":"filled","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 2026-10-06T19:52:02+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}