ray diagram to show presbyopia.
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Explanation:
Presbyopia is a natural problem. its gradually develop according to age.
In presbyopia, The person suffers from nearsightedness and farsightedness. the person feels difficulty to read the small print.
In presbyopia, the image of the object is formed behind the retina.
We use the convex lens for correcting presbyopia and we can correct the presbyopia with eyeglasses and contact lenses.
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