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The defect of vision in which the eye-lens of a person gets progressively cloudy resulting in blurred vision is called:(a) myopia (b) presbyopia (c) colourblindness (d) cataract
(d) cataract
Explanation
Cataract is a defect of the eye in which the eye-lens of a person become progressively cloudy or opaque resulting in blurred vision.
It usually comes in old age and develops due to the formation of a membrane (clumps of protein) over the eye-lens.
It can't be corrected by any type of spectacles lenses, rather it can be corrected by the surgery in which the opaque lens is removed, and a new artificial lens is inserted in its place.
Updated on: 10-Oct-2022
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