Definition of nyctalopia in English:
noun[mass noun] Medicine
A condition characterized by an abnormal inability to see in dim light or at night, typically caused by vitamin A deficiency.
- Fundus examination is usually normal, distinguishing it from the progressive conditions causing nyctalopia.
- The insensitivity to dim stimuli is accompanied by a mild nyctalopia.
- Ophthalmologists are occasionally confronted with an individual presenting with nyctalopia (ie, a relatively greater difficulty seeing at night).
Definition of nyctalopia in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Spain
Most popular in Malaysia