Binocular vision and contact lenses in hyperopia
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Abstract
Hyperopia is a common refractive error in children and adults. Its effect varies greatly, depending upon the magnitude of hyperopia, the age of the individual, the status of the accommodative and convergence system, and the demands placed on the visual system. Individuals with uncorrected hyperopia may experience blurred vision, asthenopia, accommodative dysfunction, binocular dysfunction, amblyopia or strabismus. Early detection of hyperopia may help to prevent the complications of strabismus and amblyopia in young children. In older children, uncorrected hyperopia may affect learning ability. In individuals of any age, it can contribute to ocular discomfort and visual inefficiency.
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