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.

Were the increased demand on the accommodation really the cause of convergent strabismus, asthenopia would be far more common than it is among hypermetropic children who do not squint.

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

We must place the same claims to the diagnosis of muscular asthenopia as to that of the accommodative form.

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

Then came an increasing asthenopia, with evening headaches, until her temper changed and became capricious and irritable.

From Fat and Blood An Essay on the Treatment of Certain Forms of Neurasthenia and Hysteria by Mitchell, John K.

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.