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night blindness (nyctalopia, nocturnal amblyopia, nyctanopia)
Decreased ability to see in reduced illumination.
Etiology:
- impaired retinal rod function
- vitamin A deficiency
Notes:
- no general agreement which term, hemeralopia or nyctalopia, means night blindness & which means day blindness
Related
day blindness (hemeralopia, hemeranopia)
Specific
congenital night blindness
General
sign/symptom
retinal disease
Database Correlations
OMIM 310500
References
OMIM :accession 310500