FAQs About Conductive Keratoplasty - WSFA.com Montgomery Alabama news.

FAQs About Conductive Keratoplasty

How is CK performed?
CK uses the controlled release of radio frequency (RF) energy, instead of a laser, to reshape the cornea. CK is performed using a small probe, thinner than a strand of human hair, that releases radio frequency (RF) energy. The probe is applied in a circular pattern on the outer cornea to shrink small areas of corneal tissue. 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).

Will you be cutting the cornea?
No. CK is performed without the cutting or removal of tissue. It is a safe, minimally invasive procedure for farsightedness and reading glasses.

Is radio frequency (RF) energy safe for use on the eye?
Yes. The use of RF energy is one of today’s most advanced surgical techniques. In addition to its use in CK, RF technology is being used in prostate cancer therapy, back surgery, and even cardiovascular procedures.

Will my vision improve immediately after the procedure?
Patients usually notice an immediate improvement in their vision after the CK procedure. However, it usually takes several weeks for the eyes to adjust to the final level of treatment.

Will my vision fluctuate after the procedure is performed?
Most patients will experience mild fluctuation in their vision after CK, but few notice it. Any fluctuation will usually subside within a few weeks. Patients who are treated for hyperopia, regardless of the procedure, usually require a longer stabilization period than those treated for myopia.

Are both eyes treated on the same day?
For patients who require treatment in both eyes, CK is typically performed on both eyes on the same day — one eye immediately after the other. Most patients are comfortable having the CK procedure performed on both eyes on the same day because the procedure is minimally invasive, takes less than three minutes and is done in-office with only topical anesthesia.

Will I have to wear patches over my eyes after the procedure?
You will not have to wear patches or bandages, however many surgeons will recommend temporary clear lenses (similar to contact lenses but without a prescription) to protect the eyes and to reduce any potential discomfort.

How soon can I return to work?
With CK, the majority of patients are able to return to work and other normal activities a day or two after their procedure. Although recovery is fairly quick, it is advisable to be careful with your eyes and to avoid any strain. Those whose jobs demand intense clarity of vision (such as dentistry, surgery or computer work) may want to give their eyes some extra rest for several days following the procedure before getting back to work.

What will I feel during the CK procedure?
The CK procedure is considered painless. You will be aware of a support (speculum), which helps to hold your eye open. The most common sensation that patients experience is a feeling of pressure on the eye. After the procedure, there may be some mild discomfort, and many patients experience a foreign-object sensation or a slight "scratchiness" in the eye. This usually subsides within 24 hours of the procedure.

What type of anesthesia is used during the CK procedure?
A local anesthetic in the form of eye drops is used to numb the eye, and patients are given a mild sedative to help them relax.

Why doesn't CK use a laser?
CK is the first alternative to laser for farsightedness and reading glasses. Rather than removing tissue with a laser, CK reshapes the cornea using an entirely different method: the application of low-level, radio frequency (RF) energy applied in a circular pattern on the outer cornea to shrink small areas of corneal tissue. This circular pattern acts like a belt tightening around the cornea to increase its overall curvature. The procedure, which takes less than three minutes, is done in-office with only topical anesthesia (eye drops).

Will the instrument used in the CK procedure penetrate my cornea?
CK is performed using a probe (Keratoplast™ Tip) that is as thin as a strand of human hair. The probe, introduced into the cornea, applies controlled radio frequency (RF) energy, stabilizes the CK procedure and guarantees the precise depth of treatment.

What are the risks and side effects of Conductive Keratoplasty?
Because CK is minimally invasive and extremely precise, the procedure has exhibited very minimal risk and almost no permanent side effects. During the first 24 to 48 hours after CK, you may experience tearing and some discomfort, including a foreign-object sensation in the eyes. You may also experience initial slight over-correction of your vision, which stabilizes during the following weeks. However, because CK doesn't cut or remove tissue, many of the side effects associated with other vision treatment procedures have not been observed with CK.

Are there restrictions after having CK?
As with any vision treatment procedure where the cornea is altered, certain precautions should be taken. After the CK procedure, patients should avoid getting contaminated water in their eyes for at least one week. This includes water from swimming pools, spas, lakes and the ocean. When showering or taking baths, patients should keep their eyes closed in order to avoid getting soap and dirty water into their eyes. When exercising, sweat should be kept out of the eyes for at least a week after the procedure. Also, patients should avoid rubbing the eyes vigorously for two weeks following the procedure. Females should also avoid applying eye makeup for one week after CK.

Am I guaranteed 20/20 vision following CK?
No. And no honest surgeon can absolutely guarantee a certain result from any vision treatment procedure. At this time, nearly 95% of patients with low to moderate ranges of hyperopia (farsightedness) achieve normal or near-normal vision after CK.

Will I ever need glasses or contacts again?
After CK, the vast majority of patients can see well for much of their day-to-day activities without corrective lenses, but may need glasses on occasion. Also, depending on your age and the type of refractive disorder you have, you may need additional vision treatment at some point. This is because your eyes continue to change as you age.

Can CK treat astigmatism?
The CK procedure is being studied internationally for the treatment of astigmatism.

Can CK treat myopia (nearsightedness)?
CK was designed for hyperopia, or farsightedness, where the cornea requires steepening. CK is not designed to flatten the cornea, the effect required for the treatment of myopia.

Can CK be used to treat over- or under-correction from LASIK or other refractive procedures?
CK is currently being studied in an international clinical trial for use in treating over- or under-correction resulting from LASIK and PRK.

Is CK reversible?
As with most vision treatment procedures, CK is not reversible. Once the procedure has been performed, it is not possible to "remove" its effects. This is an important factor to carefully consider for anyone thinking about having a refractive procedure. To make sure CK is right for you, seek the advice of your surgeon.

Will my health insurance cover the cost of the CK procedure?
Because CK is considered elective, most health insurance plans do not cover it. Montgomery Eye Physicians, however, offers an attractive payment plan provided by Vision Fee Plan, with payments as low as $51 a month, depending on the patient's prescription and down payment. For more information, call MEP's Refractive Team at 271-3804 or click the box below to go to Vision Fee Plan's application page.

Who is CK right for?
CK treats patients with mild to moderate hyperopia (up to +3.00 diopters) and those who wear reading glasses but have good distance vision. The following are some basic criteria you must meet to be considered a good candidate for CK:
· Be at least 40 years of age
· Have no drastic changes in vision or eyeglass prescription within the past year
· Have no eye conditions such as glaucoma, severe dryness, keratoconus, herpes of the eye, aggressive keloid formation or corneal dystrophy
· Have no physical conditions such as diabetes, pregnancy or nursing, and vascular or auto immune diseases
To determine if you are a candidate for CK, click here to schedule a complimentary screening at Montgomery Eye Physicians-Sturbridge.

How is a precise amount of RF energy and depth of treatment ensured during the CK procedure?
The ViewPoint™ CK System was engineered and designed specifically for the CK procedure. This means that the precise amount of RF energy needed to affect the corneal tissue, at the precise tissue temperature and depth of treatment, were meticulously investigated and defined. The Keratoplast™ Tip penetrates the cornea to a depth of 450 µm and utilizes a Teflon ® stop at the very distal portion to assure precise depth of penetration.

What is the risk of the collagen being overheated and causing scarring?
The risk of the collagen being heated above the optimal or permanent shrinkage temperature is almost nonexistent with the CK system. Comprehensive thermal modeling and long-term clinical effectiveness and stability data ensure that the system consistently and accurately reaches the appropriate temperature to induce optimal tissue shrinkage.

Can CK be performed on patients who have a pacemaker?
The CK equipment can produce interference that may adversely influence the operation of other electronic equipment. Therefore, CK is not recommended for patients who are wearing a pacemaker.

What enables CK to be performed in-office?
CK is a minimally invasive procedure that does not require cutting of the cornea, and therefore does not carry the associated risks or surgical complications. The procedure is relatively quick and easy to perform — taking an average of just three minutes.

Who is the surgeon?
John Swan, M.D., i s the first surgeon to bring this technology to Montgomery. Dr. Swan performs CK on an outpatient basis at the MEP-Sturbridge office. Dr. Swan has over 13 years of refractive surgery experience, including radial and astigmatic keratotomy, PRK, LASIK and CK. He has performed vision correction surgery on members of his own family, office staff, physician colleagues and their families, and is one of the more experienced refractive surgeons in the country. In 2002, he was named one of the 2001 Top 100 Surgeons among a network of 800 LASIK surgeons by Laser Vision Centers, Inc.

How can I find out if CK is right for me?
To schedule a complimentary screening with Montgomery Eye Physicians' Refractive Team, call 271-3804 or click here to schedule.

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