Keratoconus is the eye condition in which the normal round dome-shaped cornea progressively thins causing a cone-like bulge. This results in significant visual impairment. The exact cause of keratoconus is unknown. There are many theories based on research such as allergies and genetic causes.
The actual incidence of keratoconus has been estimated to occur in 1 out of every 2,000 persons in the general population. Keratoconus is generally first diagnosed in late Teen’s or early twenties.
The cornea is the clear window of the eye. Therefore any abnormalities of the cornea severely affect the way we see the world making simple tasks, like driving, watching TV or reading a book difficult.In its earliest stages, keratoconus causes slight blurring and distortion of vision and increased sensitivity to light. Each eye may pregress differently.
In the early stages, eyeglasses or soft contact lenses may be used to correct the mild nearsightedness and astigmatism caused in the early stages of keratoconus. As the disorder progresses and the cornea continues to thin and change shape, rigid gas permeable (RGP) contact lenses are generally prescribed. Intacs, intracorneal rings, are sometimes used to improve contact lens fit.
Corneal crosslinking is a new treatment option to halt the progression of keratoconus.
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