The defect of the eye caused due to the curvature of the vertical surface of the eye lens being greater than that of the horizontal surface and vice versa is called

Myopia

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Astigmatism

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Presbyopia

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Hypermetropia

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Solution

The correct option is B
Astigmatism

The defect of the eye caused due to the curvature of the vertical surface of the eye lens being greater than that of the horizontal surface and vice versa is called Astigmatism. This defect can be overcome using a cylindrical lens of appropriate power after which objects can be seen properly.

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Similar questions

	Column I		Column II
(A)	Myopia	(p)	The power of accommodation of the eye decreases with ageing
(B)	Hypermetropia	(q)	The focal length of the eye lens is too long
(C)	Presbyopia	(r)	The focal length of the eye lens is too small
(D)	Astigmatism	(s)	The eyes fail to distinguish horizontal and vertical lines at the same distance

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