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Keratoconus
Keratoconus occurs when the outer layer at the front of the eye (cornea) thins and gradually bulges outward leading irregularities of the eye surface. It causes blurred vision and may cause sensitivity to light and glare. Keratoconus can only be detected by a corneal topography scan, as the eye will look normal. This condition is suspected in cases of high astigmatism. Keratoconus usually affects both eyes and generally begins to first affect people ages 10 to 25. The condition may progress slowly for 10 years or longer.
Signs & Symptoms
- Blurred or distorted vision
- Increased sensitivity to bright light and glare, which can cause problems with night driving
- A need for frequent changes in eyeglass prescriptions
- Sudden worsening or clouding of vision
Risk Factors
- Having family history of keratoconus
- Having certain systemic disorders such as retinitis pigmentosa,Down syndrome, Ehlers-Danlos syndrome, Marfan syndrome, hay fever and asthma.
- Rubbing your eyes vigorously.
Diagnosis
- Eye refraction
- Slit-lamp examination keratometry
- Computerised corneal mapping
How is it treated?
Treatment depends on the severity of keratoconus. In the early stage, glasses or rigid gas permeable contact lenses may be prescribed to improve vision. For intermediate cases, a corneal collagen cross-linking procedure may be necessary to strengthen the cornea and maintain its shape. This involves applying a vitamin B solution to the cornea and activating it with ultraviolet light. In advanced stages, a corneal ring or corneal transplant surgery may be the most effective options to restore clear vision.
Our corneal specialists are highly skilled at diagnosing and treating keratoconus, ensuring the best possible care for our patients.
Your Vision,
Our Priority
Looking to seek a consultation for concerns related to your eye health? Schedule an appointment with our eye specialists today.
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