The far point of a myopic person is 150 cm in front of the eye. What should be the nature and power of the corrective lens used to restore proper vision?

Asked by  | 19th Jan, 2012, 08:38: PM

Expert Answer:

corrective lens sh be concave lens.
far point of myopic person is 150 cm. where as ideally it shud be infinity.
so u=?  object at infinity sh be focussed on retina.
  v=150 cm  for the lens  then this point will be taken as object for eye lens.here v will be - and the power of the lens will also be -0.66 D
f=?
?

Answered by  | 20th Jan, 2012, 10:28: AM

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