Corneal collagen cross-linking is a technique that was first used in 1998 to treat patients with a disease called keratoconus. In keratoconus, the cornea (the front clear window of the eye) can become weak, thin, and irregularly shaped. Instead of keeping its normal round shape, corneas with keratoconus can bulge forward into the shape of a cone causing poor vision.
Normal corneas have crosslinks between its collagen fibers that keep it strong and able to retain its normal shape. In keratoconus, the cornea is weak with too few cross-links or support beams. This weakened structure allows the cornea to bulge outwards. The cross linking procedure adds cross-links or “cross beams” to the cornea, making it more stable, holding its shape and focusing power better. These new cross-links help strengthen the cornea which stops the thinning process and further loss of vision.
The CXL treatment is an outpatient procedure performed in the our office using only numbing eye drops and a mild sedative like a Valium tablet. You’ll need to lie flat on your back in a reclining chair and look up at a soft blue light during the treatment. The epithelium, a thin layer of clear, protective tissue (like skin) that covers the cornea is removed for the CXL procedure. Next, vitamin eye drops (riboflavin) are used in the eye and you will be asked to look at a special blue (ultraviolet) light while lying comfortably on a reclining chair. It’s generally easy to look at this light because your eyes are numb and we use drops so your eyes won’t feel dry.
Dr. Faktorovich is the only private-practice surgeon in San Francisco to treat keratoconus patients with the first and only FDA-approved Corneal Cross-Linking technology.
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