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Refraction at Curved Surfaces

Santosh is dr...

Question

Santosh is driving a car. He finds it difficult to read the speedometer but he can clearly see the distant road signs. Which eye defect he is suffering from and what lens he is supposed to use?

A

Myopia; Convex

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B

Myopia; Concave

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C

Hypermetropia; Convex

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D

Hypermetropia; Concave

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Solution

The correct option is C Hypermetropia; Convex

Santosh is suffering from Hypermetropia as he cannot see closer objects clearly.

Patients with hypermetropia will be prescribed eyeglasses or contact lens with a convex (positively powered) lens in front of a hypermetropic eye allowing the image to move forward and focus correctly on retina.

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