| The insensitivity to dim stimuli is accompanied by a mild nyctalopia. |
| His nyctalopia was a great advantage, his cat-like sight enabling him to distinguish the smallest object in the deepest gloom. |
| Fundus examination is usually normal, distinguishing it from the progressive conditions causing nyctalopia. |
| A sufficient amount of vitamin A can also help prevent nyctalopia or night blindness. |
| Ophthalmologists are occasionally confronted with an individual presenting with nyctalopia. |
