Noopur needs a lens of power -4.5D for correction of her vision.
a) What kind of defect in vision is she suffering from?
b) What is the focal length and nature of the corrective lens?
c) Draw ray diagrams showing the (a) defected eye and (b) correction for this
defect.
d) What are the causes of this defect?
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she is suffering from myopia
his eye is myopic eye
b) focal length is 1/p
1/4.5
0.2
nature of correcting lens would be diverging rays and it is concave mirror.
c) above picture
d) cause of myopia are
lens gets contract and repulsive
eye ball becomes larger than its regular size and image forms before retina
his eye is myopic eye
b) focal length is 1/p
1/4.5
0.2
nature of correcting lens would be diverging rays and it is concave mirror.
c) above picture
d) cause of myopia are
lens gets contract and repulsive
eye ball becomes larger than its regular size and image forms before retina
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