asthenopia

[ as-thuh-noh-pee-uh ]

noun

, Ophthalmology.

1. a fatigue or tiring of the eyes, usually characterized by discomfort, dimness of vision, and headache, caused by overuse of the visual organs, dysfunction of the ocular muscles, and incorrect refraction.

asthenopia

/ ˌæsθɪˈnəʊpɪə; ˌæsθɪˈnɒpɪk /

noun

1. a technical name for eyestrain

Derived Forms

• asthenopic, adjective

Other Words From

• as·the·nop·ic [as-th, uh, -, nop, -ik], adjective

Word History and Origins

Origin of asthenopia¹

< Greek asthen ( ḗs ) frail ( asthenia ) + -opia

Word History and Origins

Origin of asthenopia¹

C19: from New Latin, from Greek asthenēs weak (from a- ¹+ sthenos strength) + ōps eye