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nyctalopia

American  
[nik-tl-oh-pee-uh] / ˌnɪk tlˈoʊ pi ə /

noun

Ophthalmology.
  1. night blindness.

  2. hemeralopia.


nyctalopia British  
/ ˌnɪktəˈləʊpɪə /

noun

  1. Nontechnical name: night blindness.  inability to see normally in dim light Compare hemeralopia

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • nyctalopic adjective

Etymology

Origin of nyctalopia

1675–85; < Late Latin nyctalōpia < Greek nykt- nyct- + al ( aós ) blind + -ōpia -opia

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Day sight, the nyctalopia of some authors, is said to be endemic in some countries,—Poland, the West Indies, Brazil, and various intertropical regions.

From Project Gutenberg

A temporary evening blindness occasioned by sleeping in the moonshine in tropical climates; it is technically designated nyctalopia.

From Project Gutenberg

Government, offer to it, to discover the remedy for nyctalopia, 335.

From Project Gutenberg

His nyctalopia was a great advantage, his cat-like sight enabling him to distinguish the smallest object in the deepest gloom.

From Project Gutenberg

"Confound the nyctalopia!" said Paganel, inwardly, though delighted to be of any service to his friend.

From Project Gutenberg