'Hemeralopia' definitions:

Definition of 'hemeralopia'

(from WordNet)
noun
Inability to see clearly in bright light [syn: hemeralopia, day blindness]

Definition of 'Hemeralopia'

From: GCIDE
  • Hemeralopia \Hem`e*ra*lo"pi*a\, n. [NL., fr. Gr. ?, the opposite of ?; ? day + ? of ?. See Nyctalopia.] (Med.) A disease of the eyes, in consequence of which a person can see clearly or without pain only by daylight or a strong artificial light; day sight. [1913 Webster]
  • Note: Some writers (as Quain) use the word in the opposite sense, i. e., day blindness. See Nyctalopia. [1913 Webster]