Name the type of eye defect that is caused when the image of a nearby object gets formed behind the retina. How this defect can be corrected
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In hypermetropia, the image is formed behind the retina. It is also known as far-sightedness as only the far away objects are clearly visible. Convex lens is used to correct this defect.
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In nearsightedness, also called myopia, the image of a distant object is formed in front of the retina and not at the retina. This defect arises because the power of the eye is too great due to the decrease in focal length of the crystalline lens.
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