Problem: Rachel has good distant vision but has a touch of presbyopia. Her near point is 0.60 m.A) When she wears +2.0 D reading glasses, what is her near point?B) What is her far point when she wears glasses?

FREE Expert Solution

Power of the lens is given by:

p = 1/f = +2D

Lens maker equation:

1so+1si=1f

A)

Considering an object at the new near point, the virtual image will be formed at si = - 6.0.

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Problem Details

Rachel has good distant vision but has a touch of presbyopia. Her near point is 0.60 m.

A) When she wears +2.0 D reading glasses, what is her near point?

B) What is her far point when she wears glasses?

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