4.5 Keratoconus
Description
This article is from the Vision and Eye Care FAQ, by grants@research.canon.com.au (Grant Sayer) with numerous contributions by others.
4.5 Keratoconus
Keratoconus (conical cornea) is an recessive inherited condition usually
apparent between the ages of 10-25yrs. Incidence of the condition is
approximately 1 in 5,000.
The condition manifests as a thinning of the corneal apex, or central area
of the cornea. With the weakening of the tissue there is a bulging of the
tissue which increases the myopia of the affected eye. Initial correction
is via spectacles whereby reasonable vision can be attained. Subsequent
treatment is via a rigid contact lens which will provide a new front
surface to the optical system of the eye.
There is more information about this condition from the CLEK study at
http://spectacle.berkeley.edu/CLEK/CLEK.html
Other sources of information for readers in the USA are
National Keratoconus Foundation (310) 855-6435
National Eye Institute (301) 496-5248
NORD (National Organization for Rare Disorders) 1-800-799-6673
US Public Health Service 1-800-336-4797
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