It can also be caused by a condition called keratoconus, in which the cornea thins and becomes more curved.
There are hybrid lenses for those who suffer from myopia, presbyopia, astigmatism, keratoconus, hyperopia, and more.
Eye complications: These include such disorders as conjunctivitis (inflammation of the tissue that lines the eyelid), keratoconus (a cone-shaped distortion of the cornea of the eye), and cataracts.
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