A person is advised to wear spectacles with convex lenses. State the defect he is
suffering from. Why do some people use bi-focal lenses?
8109619168:
The person is suffering from hypermetropia. This is obvious from the fact that he has to wear spectacles with convex lens. Bifocals are eyeglasses with two distinct optical powers. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia.
thank you for your correction
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the person is suffering from hypermytophia
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He is suffering from hypermetophia . Some people use bifocal lense because they suffer from both myopia and hypermetropia.
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