presbyope - Hutchinson encyclopedia article about presbyope Printer Friendly
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presbyopia
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   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.65 sec.

presbyopia

Vision defect, an increasing inability with advancing age to focus on near objects. It is caused by thickening and loss of elasticity in the lens, which is no longer able to relax to the near-spherical shape required for near vision.


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