asthenopia

American  

[as-thuh-noh-pee-uh] / ˌæs θəˈnoʊ pi ə /

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.

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asthenopia British  

/ ˌæsθɪˈnəʊpɪə, ˌæsθɪˈnɒpɪk /

noun

1. a technical name for eyestrain

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Other Word Forms

• asthenopic adjective

Etymology

Origin of asthenopia

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

Example Sentences

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

From Schweigger on Squint A Monograph by Dr. C. Schweigger by Schweigger, C.

The proof that it is not a case of muscular asthenopia is sometimes only obtained by the operation.

From Schweigger on Squint A Monograph by Dr. C. Schweigger by Schweigger, C.

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

From Schweigger on Squint A Monograph by Dr. C. Schweigger by Schweigger, C.

No spectacles have been used until now; for the past few years school tasks have been performed with a certain effort, only during the last year the asthenopia has increased.

From Schweigger on Squint A Monograph by Dr. C. Schweigger by Schweigger, C.

Long exposure to too intense light, astigmatism and other ocular defects which cause asthenopia lead also to chronic hyperaemia.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" by Various