Intra-corneal Rings: A Revolutionary Treatment for Keratoconus

Intra-corneal Rings: A Revolutionary Treatment for Keratoconus

Keratoconus is a progressive eye disease that causes the cornea to thin and bulge into a cone-like shape. This condition can cause significant visual impairment, making it difficult to perform everyday tasks such as reading or driving. While glasses and contact lenses can help improve vision, they do not address the underlying problem.

Fortunately, there is a revolutionary treatment called Intra-corneal rings (ICRs) that can effectively manage the symptoms of keratoconus. ICRs are small, curved devices that are surgically implanted into the cornea to reshape its curvature and improve visual acuity.

 Here's what you need to know about ICRs: How do ICRs work?

ICRs work by flattening the cornea and reducing the irregular shape that is characteristic of keratoconus. The procedure involves making a small incision in the cornea and inserting two small plastic rings. Once in place, the rings gently press against the cornea, changing its curvature and improving visual acuity. The procedure takes less than 30 minutes and is usually performed on an outpatient basis. Who is a candidate for ICRs?


ICRs are typically recommended for patients with mild to moderate keratoconus who are not able to achieve satisfactory vision with glasses or contact lenses. Candidates for ICRs should have a stable prescription and corneal thickness greater than 400 microns. 

What are the benefits of ICRs? ICRs offer several benefits for patients with keratoconus:

Improved visual acuity: ICRs can significantly improve visual acuity in patients with keratoconus. Studies have shown that ICRs can improve best-corrected visual acuity by up to two lines on an eye chart.

Reduced dependence on glasses and contact lenses: ICRs can reduce the need for glasses and contact lenses in patients with keratoconus. Many patients report that they are able to see clearly without the need for corrective lenses after ICR surgery.

Safe and minimally invasive: ICR surgery is a safe and minimally invasive procedure that can be performed on an outpatient basis. The procedure takes less than 30 minutes and patients typically experience minimal discomfort.

Reversible: ICRs are reversible and can be removed if necessary. This is an important consideration for patients who may need a corneal transplant in the future.

Long-lasting: ICRs can provide long-lasting vision improvement. Studies have shown that ICRs can remain in place for up to 10 years without needing to be replaced.

In conclusion: Intra-corneal rings are a revolutionary treatment for keratoconus that can significantly improve visual acuity and reduce dependence on corrective lenses. If you are experiencing symptoms of keratoconus and are interested in learning more about ICRs, talk to your eye doctor to see if this treatment is right for you.

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