Found 2 items, similar to nyctalopia.
English → English (WordNet) Definition: nyctalopia nyctalopia n : inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder [syn: night blindness , moon blindness]
English → English (gcide) Definition: nyctalopia Moonblink \Moon"blink`\, n. A temporary blindness, or impairment of sight, said to be caused by sleeping in the moonlight; -- sometimes called nyctalopia. [1913 Webster]