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

Example Sentences

Asthenopia, which occurs in children in connection with hypermetropia, is nearly always accompanied by defective vision.

From Project Gutenberg

Yet still more is this the case with those disorders, of which muscular asthenopia may be supposed to be the cause.

From Project Gutenberg

Muscular asthenopia undoubtedly occurs; it is only a question whether it is as frequent as it is diagnosed.

From Project Gutenberg

Notwithstanding the existence of a considerable preponderance of the externi, muscular asthenopia may be entirely absent.

From Project Gutenberg

The diagnosis of accommodative asthenopia is as a rule confirmed ex juvantibus; this cannot be asserted for the muscular form.

From Project Gutenberg