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DA 8

DA 8

Q B4-Define the following terms and explain their physiological significance: hyperopia, myopia, and refraction.

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Hyperopia, myopia and refraction are type of eyes disorders and each one of them reflect different symptoms on eye. Hyperopia or far sightedness is a common vision condition in which a person can able to see distant objects clearly but the objects nearby becomes blurry. It is an ocular condition in which the degree of farsightedness influences the focusing ability, the image gets formed behind the retina and the light is focused behind or back of the retina. It can be two types severe farsightedness and mild farsightedness. People with farsightedness can only get to see objects in a great distance away. In mild sightedness people will be able to see the nearby objects. The symptoms of hyperopia are: the nearby objects