| 释义 |
night blindnessn.（名词）- A condition of the eyes in which vision is normal in daylight or other strong light but is abnormally weak or completely lost at night or in dim light. The condition may result from vitamin A deficiency, disease, or hereditary factors. Also called nyctalopia 夜盲症：一种视觉缺陷，在白天或其他强光下视力正常而在夜晚或弱光下即减退甚至完全失去。这种情况可能是由缺乏维生素A、疾病或遗传因素导致的 也作 nyctalopia
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