| presbyopia |
is part of the normal process of aging. As a person becomes older, one begins to lose the flexibility of the lens of the eye which limits the ability of the eye to change its point of focus from distance to near.
출처: www.locateadoc.com/articles.cfm/372/1243
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| presbyopia |
A form of farsightedness occurring during middle age, caused by a diminished elasticity of the lens.
출처: www.campuseyegroup.com/ceg-glossary.htm
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