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14. An eye has a far point of 1.5 m. What type of lens would be required to
increase the far point to infinity? Calculate the power of lens and determine the
nature of the vision. [3]
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Explanation:
The person is suffering from Myopia.
Concave lens would be required to increase the far point to infinity.
P = 1/f
= 1/-1.5. [ concave lens , f=-1.5m]
= 10/-15
= 2/-3
= -.6D
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