CTAK questions, answered

CTAK (corneal tissue addition for keratoconus) adds a custom-shaped piece of sterilized donor corneal tissue into a small channel made by a femtosecond laser. The added tissue is designed to reshape the cone toward a more regular curve. You may also see it written as C-TAC on our site.

People with keratoconus whose vision is limited by the irregular shape of the cornea, and who are poorly served by glasses or contacts. Whether CTAK fits you depends on your corneal maps, thickness, and history.

No. Cross-linking aims to strengthen the cornea and slow progression. CTAK aims to improve the corneal shape. Traditional cross-linking (CXL) is no longer offered here; the cross-linking treatment we offer is Epioxa, which is insurance-approval only.

No. CTAK adds tissue to your own cornea rather than replacing a full-thickness section of it. Your surgeon explains how that compares with transplant options for your stage of keratoconus.

No. Keratoconus care starts with an insurance or cash exam, because the decision depends on detailed corneal imaging. Bring your medical insurance card; we accept PPO plans, not HMO plans or Medi-Cal.

Pricing is provided at your exam, once we know your plan and whether medical insurance applies.

Most people need some days of rest and frequent follow-up while the eye settles, and vision continues to change for weeks. You get a written schedule for drops, screens, and activities.

Often, yes, but many patients find glasses or contacts easier to use once the cornea is more regular. Your surgeon discusses realistic goals for your eyes.