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Keratoconus Video

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Light is focused by the cornea and the lens.
In the early stages of keratoconus the eye becomes short sighted.
At this stage vision can be corrected by spectacles
However, as the condition progresses, the cornea can become misshapen.
At this stage, vision cannot be corrected very well with spectacles.
Vision can often be improved by wearing a rigid gas permeable contact lens.
The gap between the cornea and the lens fill up with tears neutralising the irregularity.
As the condition progresses, the contact lens may not fit to the irregular cornea.
And in a few cases the cornea can become scarred.
In Exception cases, a cornea transplant can be undertaken.

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