asthenopia

[ as-thuh-noh-pee-uh ]

nounOphthalmology.
  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.

Origin of asthenopia

1
<Greek asthen(ḗs) frail (see asthenia) + -opia

Other words from asthenopia

  • as·the·nop·ic [as-thuh-nop-ik], /ˌæs θəˈnɒp ɪk/, adjective

Words Nearby asthenopia

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use asthenopia in a sentence

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

    Schweigger on Squint | C. Schweigger
  • Yet still more is this the case with those disorders, of which muscular asthenopia may be supposed to be the cause.

    Schweigger on Squint | C. Schweigger
  • Muscular asthenopia undoubtedly occurs; it is only a question whether it is as frequent as it is diagnosed.

    Schweigger on Squint | C. Schweigger
  • Notwithstanding the existence of a considerable preponderance of the externi, muscular asthenopia may be entirely absent.

    Schweigger on Squint | C. Schweigger
  • The diagnosis of accommodative asthenopia is as a rule confirmed ex juvantibus; this cannot be asserted for the muscular form.

    Schweigger on Squint | C. Schweigger

British Dictionary definitions for asthenopia

asthenopia

/ (ˌæsθɪˈnəʊpɪə) /


noun
  1. a technical name for eyestrain

Origin of asthenopia

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

Derived forms of asthenopia

  • asthenopic (ˌæsθɪˈnɒpɪk), adjective

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