Reduced visual acuity in dim light, esp. as a pathological condition associated with vitamin A deficiency in humans. Cf. nyctalopia, n. 1.
| 单词 | θ10081 |
| 释义 | the world > health and disease > ill health > a disease > disorders of eye > disordered vision > [noun] > blindness > night blindness (7) night-blindness1625 Reduced visual acuity in dim light, esp. as a pathological condition associated with vitamin A deficiency in humans. Cf. nyctalopia, n. 1. nyctalops1661 = nyctalopia, n. nyctalopy1661 = nyctalopia, n. nyctalopia1684 Reduction or loss of vision in dim light; night blindness. day sight1811 The condition of having better vision in bright than in dim light; = night-blindness, n. Cf. night-sight n. (a) at night, n. int.compounds 4. Subcategories:— person (2) |
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