hemeralopia

American  

[hem-er-uh-loh-pee-uh] / ˌhɛm ər əˈloʊ pi ə /

noun

Ophthalmology.

1. a condition of the eyes in which sight is normal in the night or in a dim light but is abnormally poor or wholly absent in the day or in a bright light.

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hemeralopia British  

/ ˌhɛmərəˈlɒpɪk, ˌhɛmərəˈləʊpɪə /

noun

1. Nontechnical name: day blindness.  inability to see clearly in bright light Compare nyctalopia

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Other Word Forms

• hemeralopic adjective

Etymology

Origin of hemeralopia

1700–10; < New Latin < Greek hēmeralōp- (stem of hēmerálōps having such a condition ( hēmer ( a ) day + al ( aós ) blind + -ōps having such an appearance) + -ia -ia; -opia

Example Sentences

Within a few days after our departure from Galle, several severe cases occurred of hemeralopia, chiefly among members of the ship's band.

From Project Gutenberg

Six patients examined belonged to five different families, all consisting of five or six children, one-third of whom had hemeralopia.

From Project Gutenberg