| presbyopia |
A condition, becoming symptomatic around age 40, in which the focusing muscles of the eye become fatigued and, in time, become unable to focus up close.
출처: www.mn-eye.com/aye_glossary.aspx
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| presbyopia |
The gradual loss of the eye's ability to change focus (accommodation) for seeing near objects caused by the lens becoming less elastic; associated with aging; occurs in almost all people over age 40.
출처: www.drburr.homestead.com/files/glossaryofeyeterms2...
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| presbyopia |
(prez-bee-OH-pee-uh). Refractive condition in which there is a diminished power of accommodation arising from loss of elasticity of the crystalline lens, as occurs with aging. Usually becomes significant after age 45.
출처: www.howardnations.com/blindness/blindness_glossary...
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| presbyopia |
The gradual loss of the eye's ability to change focus from distance to near; occurs in almost everyone sometime after age 40.
출처: www.eyesearch.com/vision.terms.htm
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| presbyopia |
Age-related changes in eyesight. The lens hardens and loses its ability to change shape and focus.
출처: www.people.vcu.edu/~swharkin/swhpages/glossary.htm
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