Definitionn. a reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45
Last update: October 22, 2015
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Presbyopia is arbitrarily said to commence at the age of forty, because it is then that the need of spectacles for reading is generally felt; but it appears later in myopia and earlier in hypermetropia. [Please select]
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Still another defect of vision is known as presbyopia or farsightedness due to old age. [Please select]
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