单词 | presbyopia |
释义 | presbyopia —presbyopic /prez'bee op"ik, pres'-/, adj. /prez'bee oh"pee euh, pres'-/, n. Ophthalm. farsightedness due to ciliary muscle weakness and loss of elasticity in the crystalline lens. [1785-95; < Gk presby- (comb. form of présbys old, old man) + -OPIA] |
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