a) List three common refractive defects of vision suggest a way of correcting this defects
b) About 45 lakh people in the developing countries are suffering from colonial blindness about 30 lakh children below the age of 12 years suffering from this device can be cured by replacing the defect cornea and with the cornea of a terminated I how and why can students of your age involve themselves to create awareness about this fact among people?
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myopia.hypermetropia,presbyopia are three defects of vision
Shruthisabarish:
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The three defects of eye &its correcting measure are as follows:
(1)myopia (near sighted ness):It can be corrected with using concave lens of proper power
(2)hypermetropia(far sightedness):it can be corrected using convex lens of proper power
(3)presbyopia(defect of vision in aged people):
it can be convex lens of appropriate power
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(1)myopia (near sighted ness):It can be corrected with using concave lens of proper power
(2)hypermetropia(far sightedness):it can be corrected using convex lens of proper power
(3)presbyopia(defect of vision in aged people):
it can be convex lens of appropriate power
If you think it is a best answer mark it as brainliest answer
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