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In hyperopia the distance between the cornea and the retina is smaller than normal. This results in a parallel beam which enters the eye to strike the retina before it is focused.




The causes of hyperopia are typically genetic and involve an eye that is too short or a cornea that is too flat, so that images focus at a point behind the retina. People with hyperopia can usually see distant objects well, but have trouble focusing on nearby objects. The activation of the adjustment mechanism can eliminate a large percentage of hyperopia.


In childhood there is no loss of visual acuity due to hyperopia. Children with hyperopia develop disorders in binocular vision, a tendency for convergent strabismus and kopiopia.