blindness
complete or nearly complete lack of vision; visual acuity worse than 3/60
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Summary
blindness is a class of disease[1]. blindness draws 2,509 Wikipedia views per month (class of disease category, ranking #475 of 1,968).[2]
Key Facts
- Instance of: symptom or sign[3]
- Subclass of: visual impairment[4], eye disease[5], vision symptom[6], sensory disability[7]
- Commons category: Visual impairment[8]
- ICPC 2 ID: F94[9]
- Has cause: blinding[10]
- Topic's main category: Category:Blindness[11]
- Described by source: Brockhaus and Efron Encyclopedic Dictionary[12], Granat Encyclopedic Dictionary[13], Jewish Encyclopedia of Brockhaus and Efron[14], Small Brockhaus and Efron Encyclopedic Dictionary[15], Armenian Soviet Encyclopedia, vol. 6[16]
- ICD-9-CM: 369[17]
- NCI Thesaurus ID: C97109[18]
- Different from: Blindness[19]
- Health specialty: neurology[20], ophthalmology[21]
- Studied by: typhlology[22]
- Exact match: http://purl.obolibrary.org/obo/DOID_1432[23], http://identifiers.org/doid/DOID:1432[24], http://purl.obolibrary.org/obo/HP_0000618[25], http://purl.obolibrary.org/obo/SYMP_0000008[26]
- On focus list of Wikimedia project: Wikipedia:List of articles all languages should have[27], WikiProject Medicine[28], Wikipedia:Vital articles/Level/4[29]
Why It Matters
blindness has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[30] blindness is known by 51 alternative names across languages and contexts.[31]