Web Address A New Option for Keratoconus How INTACS Treat Keratoconus Addition Technology, Inc.

Name and Address What is Keratoconus? It is a disease of the cornea exhibiting a thinning of tissue and resulting in… Irregular Shape, and Compromised Vision Estimated to be 150,000 to 300,000 sufferers in the US Its cause is uncertain Heredity Allergies, Eye Rubbing Requires optical correction Glasses– early Contact Lenses– later Normal Cornea vs. Keratoconic

Name and Addresswww.IntacsForKeratoconus.com How Cornea Shape Influences Vision

Name and Address Keratoconus Effects Quality of Vision… Hinders vision and one’s ability to perform normal daily activities Normal Vision 20/20 Keratoconus with correction 20/100 Keratoconus without correction 20/200 or worse Degree of vision loss will vary by individual

Name and Address Current Treatment Options Early Stage – Glasses and Soft Contacts Intermediate Stage – Customized rigid contacts Late Stage – Corneal Transplant

Name and Address Late Stage Treatment Options Cone shaped cornea makes hard contact lenses difficult to tolerate Often worn for decreasing spans of time each day due to pain and irritation In up to 20% of cases a cornea transplant may be necessary

Name and Address INTACS a new surgical option… Inserted through a tiny opening made in the surface of the cornea

Name and Address INTACS implantation reduces corneal coning Results in a more optically normal cornea… Better able to wear contact lenses successfully

Name and Address Goals of INTACS Intervention Reduce corneal coning Restore functional vision Improved vision is more comfortably achieved with contact lenses or, depending upon the severity, sometimes with soft contacts, glasses, or without any additional correction Defer or eliminate the need for transplant (high probability of success)

Name and Address INTACS Procedure Benefits vs. Transplant  Minimally Invasive (in the surface layer of the eye)  Out-Patient Basis (Time: Minutes)  Back to Normal Activity in 1-2 Days Vision often improves immediately and stabilizes in 1-3 months  Routine Postoperative Care  Cornea Not Weakened and Inserts Safely Removable  Fewer and Less Serious Potential Complications As with any surgical procedure, there are some risks, including infection. Some patients experience visual symptoms including difficulty with night vision, glare, halos, blurry and fluctuating vision. (most managed easily with removal)