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. inability to see clearly in bright light Nontechnical nameday blindness Compare nyctalopia

Derived Forms

• hemeralopic, adjective

Other Words From

• hem·er·a·lop·ic [hem-er-, uh, -, lop, -ik], 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.

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