7) The far point of a myopia eye is 1.5m. To connect this
defect of eye, the power of lens is
a) 0.66D
b)-0.66D
c) + 1.5D
d) - 1.55D
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Answer:
=
Explanation:
A person with a myopic eye cannot see objects beyond a distance of 1.5 m. What would be the power of the corrective lens used to restore proper vision? The remedial lens should make the objects at infinity appear at the far point. The corrective lens is concave lens as the power is negative.
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