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 nyc·ta·lo·pia /ˌnɪktəˈlopiə/
 夜盲症

 nyc·ta·lo·pia /ˌnɪktəˈlopɪə/ 名詞
 夜盲(症)

 Nyc·ta·lo·pi·a n.  Med. (a) A disease of the eye, in consequence of which the patient can see well in a faint light or at twilight, but is unable to see during the day or in a strong light; day blindness. (b) See Moonblink.
 Note: ☞ Some writers (as Quain) use the word in the opposite sense, night blindness. See Hemeralopia.
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 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]