Learn About The CK (Conductive Keratoplasty) Procedure Here

What is Conductive Keratoplasty?

Conductive Keratoplasty, or CK, is an alternative to typical laser surgeries for people who are over forty and have hyperopia, astigmatism, or presbyopia. Developed by Refractec, the process received FDA approval for reduction of hyperopia and in March 2004 received first and FDA approval for vision technology that improves presbyopia.


View a video that illustrates this procedure.

Conductive Keratoplasty Process

Conductive Keratoplasty uses heat from radio frequency wave instead of a laser to shrink the collagen fibers in order to steepen the cornea. After anesthetic drops have been applied and have taken affect, a probe with a special tip that transfers radio frequencies is used to administer eight to thirty-two uniform treatment spots around the periphery area of the cornea. In Refractec's NearVision CK, a foot pedal is used to transmit the radio frequency energy. The heat from the radio frequency is designed to shrink the collagen of the area and cause the cornea to steepen to a very high degree. Less regression is expected due to the uniform delivery of heat and deep shrinkage of collagen.

Before CK Treatment

Whenever we use our eyes to see something up close, it flexes the lens to create a focal point to use as reference for the object being seen or read. As a result of aging, the lens loses its elasticity and the focal point shifts to behind the retina rather than its normal placement at the rear of the eye. The common condition Presbyopia can be easily corrected with the CK treatment.

After CK Treatment

After the CK treatment, the eye's focal point has returned to its normal state after the cornea has been reshaped. Vision of closer objects such as books and magazines is clear and vibrant.

The Procedure

CK Procedure - Step 1
NearVision CK, now with new LightTouch, which takes less than three minutes, is done in-office. Topical anesthesia is applied to numb the eye and ensure a painless procedure.
CK Procedure - Step 2
A circular treatment pattern is imprinted on the cornea using rinse-away ink to guide the doctor's treatment.
CK Procedure - Step 3
Using a probe thinner than a strand of human hair, radio waves are applied in a circular pattern to shrink small areas of collagen in the cornea.
CK Procedure - Step 4
The circular treatment pattern acts like a belt tightening around the cornea, steepening the cornea, increasing near vision.

Radio Frequency (RF) Technology

Radio Frequency (RF) Technology
RF is one of today's most advanced surgical technologies. In addition to its use in CK; RF technology is being used in prostate cancer therapy, back surgery, even cardiovascular procedures.

Is the CK (Conductive Keratoplasty) procedure right for you?

Call the Lerner Eye Center today at 888-820-9600 or email us here to make an appointment or request more information.

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