Question

Explain some common eye defects in human and how they can be corrected
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Answer 1

Answer:

Myopia can be corrected by wearing glasses/contacts with concave lenses these help to focus the image on the retina. Hyperopia: (farsightedness) This is a defect of vision in which there is difficulty with near vision but far objects can be seen easily. The image is focused behind the retina rather than upon it.