In old age,the vision of the eye becomes dim. | vedclass

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(C) Cataract is a condition,more prevalent in old age,which is due to an increase in the opacity of the lens.$Myopia$: The eyeball is anterio-posterio

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Cataract

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(C) Cataract is a condition,more prevalent in old age,which is due to an increase in the opacity of the lens.$Myopia$: The eyeball is anterio-posteriorly elongated (short-sightedness).$Hypermetropia$: The eyeball is anterio-posteriorly shortened (farsightedness).$Astigmatism$: This disorder is due to the irregular curvature of the cornea or lens.Cataract is the most common cause of vision loss in people over age $40$ and is a principal cause of blindness in the world.

In old age,the vision of the eye becomes dim. It is due to

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