the near point of a hypermetropic eye is 1 metre. what is the power of the lens required to correct this defect. assume that the near point of the normal eye is 25 CM
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Power
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aami21:
???
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Near point(u) = - 25 cm
H. Near point(v) =-100cm
P=1/f
1/f=1/v-1/u
,, =1/-100 - 1/-25
,, = -1+4/100
1/f=3/100
P=100*3/100 (in cm)
P=+3 diaptore
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