what is myopia ? Explain with the help of ray diagrams. How do you correct the myopia?
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Myopia is caused by the shape of the eye; either the eyeball is slightly too long or the cornea (the clear covering of the front of the eye) is too steeply curved. Myopia is corrected by spectacles or contact lenses with lenses which are 'minus' or concave in shape.
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This the image of the object lying at infinity cannot be seen clearly by the myopic eye. The far point of such an eye is near to the eye This defect can be corrected by using a concave lens of suitable focal length. ... The eye lens then converges these rays to form a real image I on the Retina of the eye.Explanation:
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