What is Non-Surgical Conductive Keratoplasty (CK)?

Conductive Keratoplasty (CK) corrects presbyopia (or literally “aging eye”) the inevitable loss of near vision that affects everyone sometime after age 40. Those with presbyopia use reading glasses to compensate for this loss. CK eliminates the need for reading glasses.

How The CK Procedure Works

CK uses radio waves to reshape the cornea and bring near vision back into focus. CK is performed using a small probe, thinner than a strand of human hair, that releases radio waves. The probe is applied in a circular pattern on the outer cornea to shrink small areas of collagen. This circular shrinkage pattern creates a constrictive band (like the tightening of a belt), increasing the overall curvature of the cornea. The procedure, which takes less than three minutes, is done in-office with only topical anesthesia (eye drops). Patients usually notice an immediate improvement. However, it usually takes several weeks for the eyes to adjust to the final level of treatment.

CK is typically performed on just one eye, improving near-vision, in most cases, without compromising the patient’s ability to see far away (binocular distance vision).

Safety and Risks

CK boasts one of the highest safety profiles in the refractive market.

CK is a low risk, minimally invasive procedure. There is no cutting and no removal of tissue. However, CK equipment can produce interference that may adversely influence the operation of electronic equipment. Therefore, CK is contraindicated for patients wearing pacemakers.

FDA Trial Results

• — 98% of patients could see magazine and newspaper-size print in the eye that was treated at the 12 month visit.
• — 87% of patients could see 20/20 and read phonebook-size print (significantly smaller than news print) 12 months after having NearVision CK.
• — Nearly 95% of patients reported being “satisfied” to “extremely satisfied” with their visual outcome after having CK.
• — The CK procedure provided a restoration to normal vision in 93% of patients, according to clinical trial data collected 24 months after the patients had CK performed.
• — These outcomes continue to exceed the FDA guideline of 85% restoration to normal vision for refractive surgical procedures.

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