hemeralopia

[hem-er-uh-loh-pee-uh]

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.

hemeralopia

/ ˌhɛmərəˈlɒpɪk, ˌhɛmərəˈləʊpɪə /

noun

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

Other Word Forms

• hemeralopic adjective

Word History and Origins

Origin of hemeralopia¹

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

Word History and Origins

Origin of hemeralopia¹

C18: New Latin, from Greek hēmeralōps, from hēmera day + alaos blind + ōps eye

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.

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

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