Keratoconus

Keratoconus, often abbreviated to “KC”, is a non-inflammatory eye condition in which the normally round dome-shaped cornea progressively thins causing a cone-like bulge to develop. This results in significant visual impairment.

Keratoconus is generally first diagnosed in young people at puberty or in their late teen’s. It has no known significant geographic, cultural or social pattern.

Keratoconus Symptoms – What Happens?

Corneal Bulging

The cornea is the clear window of the eye and is responsible for refracting most of the light coming into the eye. Therefore, 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. These symptoms usually first appear in the late teens and early twenties. Keratoconus may progress for 10-20 years and then slow or stabilize. Each eye may be affected differently.

What Causes Keratoconus?

The exact cause of keratoconus is unknown. There are many theories based on research and its association with other conditions such as allergies and genetic causes however, no one theory explains it all and it may be caused by a combination of things

Keratoconus Treatment:

What Can Be Done About it?

In the early stages, eyeglasses or soft contact lenses may be used to correct the mild shortsightedness 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 to correct vision more adequately. Newer lenses like Rosek, Kerasoft and Scleral contact lenses are available for better vision and comfort. The contact lenses must be carefully fitted, and frequent checkups and lens changes may be needed to achieve and maintain good vision. Intacs (Intracorneal rings) are sometimes used to improve contact lens fit.

Corneal collagen crosslinking( C3R) is a treatment available to halt the progression of keratoconus in which Riboflavin drops with a special light is used to strengthen the cornea.

In severe cases, a corneal transplant may be needed due to scarring, extreme thinning or contact lens intolerance. This is a surgical procedure that replaces the keratoconus cornea with healthy donor tissue.

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