Keratoconus
is a progressive corneal disorder resulting in thinning and stiffening of the
central and Para central cornea. This would lead to protrusion. Although exact
cause of this disorder is not known yet, genetical and environmental causes are
considered responsible in causing this corneal disease. Keratoconus can be
managed with spectacles and contact lenses in the early stages and it may deman
surgical intervention in the advanced stage. However, corneal stability and
rehabilitation can be achieved using gas permeable lenses.
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