night blindness
condition making it difficult or impossible to see in relatively low light
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Summary
night blindness is a class of disease[1]. It draws 2,326 Wikipedia views per month (class of disease category, ranking #453 of 1,968).[2]
Key Facts
- Subclass of: eye disease[3], retinal disease[4], vision disorder[5], disease[6]
- Commons category: Nyctalopia[7]
- Described by source: Great Soviet Encyclopedia (1926–1947)[8], Meyers Konversations-Lexikon, 4th edition (1885–1890)[9], Brockhaus and Efron Encyclopedic Dictionary[10], Small Brockhaus and Efron Encyclopedic Dictionary[11], Armenian Soviet Encyclopedia, vol. 6[12]
- ICD-9-CM: 368.60[13], 368.6[14], 368.69[15]
- NCI Thesaurus ID: C37997[16], C34850[17]
- Health specialty: ophthalmology[18]
- Exact match: http://purl.obolibrary.org/obo/DOID_8499[19], http://identifiers.org/doid/DOID:8499[20], http://purl.obolibrary.org/obo/HP_0000662[21]
- On focus list of Wikimedia project: WikiProject Medicine[22]
- Taxon synonym of: hemeralopia[23]
Why It Matters
night blindness has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[24] It is known by 37 alternative names across languages and contexts.[25]