Corneal Cross Linking
About Corneal Cross Linking
Corneal cross-linking (CXL) is a treatment that strengthens the clear front part of your eye. It’s mainly for people with Keratoconus, where this part becomes weak and bulgy, affecting vision. In CXL, we put vitamin B2 drops on the eye and shine UV light on it. This helps the eye’s fibers bond better, making it firmer and preventing it from getting more bulgy, helping to keep your vision clear.
The Procedure
During the corneal cross-linking procedure:
- Numbing Drops: Your eye is numbed using special eye drops to ensure you’re comfortable.
- Preparing the Eye: The topmost layer of the cornea might be gently removed in some procedures.
- Vitamin B2 Drops: Your eye will be given drops of vitamin B2 (riboflavin).
- UV Light: Once the eye is prepared, it’s exposed to UV light for a set time.
- Protection: After the treatment, a protective contact lens might be placed on the eye to aid healing.
Aftercare
After the treatment:
- Have someone drive you home
- Try to rest your eyes as much as possible
- Pain relief and protective measures, like wearing sunglasses or using prescribed eye drops, can help manage these symptoms
- Dr Katie will guide you on how to ensure your comfort during the recovery period
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Frequently Asked Questions
Does the procedure take long?
The corneal cross-linking (CXL) procedure typically takes about 60 to 90 minutes for both eyes, although the actual UV light exposure is usually around 30 minutes. It's worth noting that the duration might vary based on the specific technique used and individual patient needs. Always consult with your ophthalmologist for precise timing.
Is the procedure painful?
Corneal cross-linking (CXL) is generally not painful because numbing eye drops are used before the procedure. However, some patients may experience a feeling of pressure or slight discomfort. After the procedure, when the numbing effect wears off, there might be some pain, sensitivity to light, or a gritty feeling in the eye for a few days. Pain relief and protective measures, like wearing sunglasses or using prescribed eye drops, can help manage these symptoms. Your eye doctor will guide you on how to ensure your comfort during the recovery period.
Will my vision improve?
Corneal cross-linking (CXL) is primarily designed to halt or slow the progression of keratoconus and prevent further deterioration of vision rather than directly improve it. However, some patients do report a slight improvement or stabilisation in their vision after the procedure. It's important to set realistic expectations and understand that the primary goal of CXL is to strengthen the cornea and stop the disease's progression. For vision improvement, other treatments or corrective lenses might still be necessary
Is the procedure safe?
Corneal cross-linking (CXL) is generally considered safe when performed by experienced ophthalmologists. The procedure has been studied extensively and has been approved by health regulatory bodies in many countries for the treatment of keratoconus and other corneal ectatic disorders.