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Keratoconus

What is Keratoconus?

Keratoconus is an early-age onset, non-inflammatory disorder causing the cornea to thin and and protrude into a buldging cone shape as opposed to the typical round dome-shape of a normal cornea.  Keratoconus, often referred to as ‘KC’, can cause ‘static’ in your vision and can result in significant visual impairment.  This progressive disease usually presents in patients during adolescence and continues to worsen for 10-20 years.  Each eye may be affected differently. In the early stages of keratoconus, people might experience:

  • Slight blurring of vision
  • Distortion of vision
  • Increased sensitivity to light

The first choice in treatment for these conditions is correction with rigid contact lenses. Patients who cannot tolerate the rigid lenses have the option of implantation of an intrastromal corneal ring segment (INTACS). Both of these treatments are limited in that they address patients’ symptoms, but do not have any effect on the progression or severity of the disease which is the cause of the symptoms.

You can find more information from the National Keratoconus Foundation at www.NKCF.org.

What is Corneal Cross-Linking?

The Cross-linking system is a medical procedure that combines the use of ultra-violet (UV) light and riboflavin (vitamin B2) eye drops. The procedure works by creating new bonds between corneal collagen fibers which leads to the stiffening of corneas which have been weakened by disease . The procedure does not correct your vision, but it will stop the progression of the disease, which could ultimately lead to worsening vision and even a cornea transplant.

Benefits to Patients
• This is the only FDA approved therapeutic treatment available for progressive keratoconus and corneal ectasia
• The procedure can limit the progression of disease by stiffening the cornea
• The clinical benefits are a reduction in maximum corneal curvature
• The procedure takes about 2 hours, is done within the office, and most patients return to work and normal activities within 24-48 hours
• The procedure is deemed “medically necessary”, which means the evaluation, surgery and post-operative visits will be processed through your medical insurance.

Cross-linking, which has been performed in Europe since 2003, is considered the standard of care around the world for keratoconus.  Prior to the availability of corneal collagen cross-linking, the only other therapeutic option was a corneal transplant, which is associated with tissue rejection and graft failure, as well as other serious post-operative complications. Younger transplant patients often need to have multiple transplants over the course of their lifetime.

Is Cross-Linking Right for Me?

Those who have been diagnosed with progressive keratoconus should ask their eye doctor about corneal cross-linking.  Clear Advantage Vision Correction Center and it’s affiliated sister company, Eyesight Ophthalmic Services, are the first in New Hampshire to offer patients the only therapeutic products for corneal cross-linking.  Crosslinking is FDA approved to treat progressive keratoconus.

For information on the FDA approved corneal cross-linking procedure for the treatment of keratoconus and corneal ectasia following refractive surgery, visit www.Avedro.com.

Corneal Crosslinking Patient Information

Corneal Crosslinking Patient Brochure

Information for Our Referring Doctors About Corneal Cross-Linking

testimonials
Jennifer Argiras, 32

Pre-operative prescription
Right eye: -1.25 -0.25 x180 Left eye: -1.00 -0.50 x180
Vision without corrective lenses after surgery: 20/15

"I am writing this less than 24 hours after the procedure, and I'm thrilled with the results. I was very nervous, as I am about any medical procedure, but the staff and doctors could not have made the experience better. It was painless, fast and everyone made me comfortable. And the results are amazing. Thank you, thank you, thank you."

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155 Borthwick Avenue,
Suite 200 E.
Portsmouth, NH 03801

603-501-5000
1-866-302-5327

lasik@clearadvantagelaser.com

Clear Advantage Laser