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weakness or easy fatigue of the eye, with pain in the eyes, headache, and dimness of vision. adj., adj asthenop´ic.
accommodative asthenopia asthenopia due to strain of the ciliary muscle.
muscular asthenopia asthenopia due to weakness of the external ocular muscles.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
asthenopia resulting from errors of refraction and excessive contraction of the ciliary muscle.
Farlex Partner Medical Dictionary © Farlex 2012
ac·com·mo·da·tive as·the·no·pi·a(ă-kom'ŏ-dā-tiv as'thĕ-nō'pē-ă)
Ocular discomfort, headache, and other symptoms of eyestrain resulting from refractive error and excessive contraction of ciliary muscle.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
accommodative asthenopiaA relative weakness of the focusing power of the eye resulting from a refractive error that imposes the need to make unusually strong accommodative effort. There is a sense of eye-tiredness and discomfort and occasionally headache from sustained narrowing of the eyes.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005