What is hypermetropia ? Draw the diagram , what are the causes and how it is corrected ?
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A person with hypermetropia/hyperopia or long sight can see clearly objects far away from them, but not close to them. This is caused by the shape of the eye - the eyeball is slightly too short. It is corrected by spectacles or contact lenses with lenses which are 'plus' or convex in shape.
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Answer:
hypermetopia is a disease happens because the eye lens focuses the incoming divergent rays beyond the retina. This defect of vision is corrected by using a convex lens.
Explanation:
convex lens as spectacles converge all focuses at retina. The main cause for this defect is the insufficiente eye lenght. A lot of people suffer from hypermetropia without even knowing it, because the eye automatically compensate this defect.
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