Jul 05, 2011 an excerpt of the video created for one of our clients. Conductive keratoplasty ck eye surgery is a minimally invasive, nonlaser presbyopia treatment that helps to overcome age related longsight. Conductive keratoplasty ck is a nonlaser refractive eye surgery designed to correct mild hyperopia and help people who are middleaged and older reduce their need for reading glasses after they become presbyopic. Immediately after pkp, a triangular tissue piece containing the three ck spots was prepared in each eye.
The laser employed by the allegreto machine, called an excimer laser, depends on a pseudo molecule produced by an inert gas, a reactive gas, and electrical stimulation of just the right kind. Nearvision ck the ck stands for conductive keratoplasty is a nonlaser surgical procedure that can correct mild degrees of farsightedness and the loss of accommodation and near vision that begins to become bothersome in our forties due to a normal agerelated loss of focusing ability called presbyopia. Maloney, md,4 jonathan davidorf, md,5 moataz sabry, md,1 and the conductive keratoplasty united states investigators group objective. Modeling for radiofrequency conductive keratoplasty. When seeking out conductive keratoplasty cost and plans its essential to weigh the pros and cons. Conductive keratoplasty ck reduces need for reading glasses. To document the 1year safety, efficacy, and stability results of 355 eyes treated in the multi center study of conductive keratoplasty ck used to. Sep 06, 2017 conductive keratoplasty ck is a treatment used for mild and moderate farsightedness hyperopia and presbyopia, a form of farsightedness known as aging eye, in which the eye gradually loses its ability to focus on closeup objects or print. New refractive surgery procedures and their implications.
We begin the procedure by administering anesthetic eye drops to numb the tissue. Conductive keratoplasty ck for farsightedness and nearvision ck reduces the need for reading glasses after age 40 and makes use of radio waves that are delivered, painlessly, to the cornea clear front window of the eye in a ringshaped pattern. The field of corneal modification for the correction of. If youve had good vision your whole life but now find yourself in the unfortunate position of needing reading glasses to see up close, a procedure called conductive keratoplasty ck, or nearvision ck, may be the key to restoring your vision so you can ditch those glasses. To view the video presentation, mouse over the player, then click the arrow. Although nonsurgical correction ie, glasses, contact lenses for patients with lowlevel hyperopia and presbyopia has been widely successful throughout the world, the surgical correctional procedures have been somewhat less accepted. Description section revised to further define refractive eye surgery and the added refractive surgical procedures.
Understanding conductive keratoplasty contact lens. Now that conductive keratoplasty with the viewpoint system from refractec has been approved for over a year, and some patients are at their fouryear followup points, surgeons are getting a clearer picture of what the procedures limits are. Ltk physician training manual, sunrise technologies, fremont, california. Penetrating keratoplasty pk for post lasik ectasia and hydrops duration. Corneal remodeling medical clinical policy bulletins aetna. To define the corneal optics of conductive keratoplasty ck and assess the. With conductive keratoplasty ck, a special probe introduces an electrical current to the peripheral cornea, shrinking the corneal fibers. This animation describes a medical procedure known as near vision conductive keratoplasty. However, it is a refractive surgery, and as with any refractive procedure, potential side effects do exist.
Omic informed consent conductive keratoplasty american. To assess the regression rate of conductive keratoplasty ck in patients with or without previous laserassisted in situ keratomileusis lasik or photorefractive keratectomy prk. Paul minotty before undergoing a conductive keratoplasty by dr. Oneyear results suggest the radiofrequency technique provides postoperative stability for hyperopes. Optometric comanagement of refractive surgery american. The viewpoint conductive keratoplasty system, including the handpiece with the keratoplast tip and a choice of two lid specula that act as the electrical return path. Refractive keratoplasty procedures include keratomileusis laser assisted in situ keratomileusis. Conductive keratoplasty cornea and laser eye institute. About presbyopia and conductive keratoplasty visit our. Conductive keratoplasty, or ck, is an alternative to laser surgery for people who are over forty and have hyperopia, astigmatism, or presbyopia. Duffey performs conductive keratoplasty ck for presbyopic patients who desire a fast, convenient and comfortable inoffice alternative to laser refractive surgery. Pdf version in english pdf version in spanish word version in english word version in spanish.
About presbyopia and conductive keratoplasty visit our san. The uses for conductive keratoplasty are plentiful, and treatment has been approved by the u. Next, we use a special device to keep your eye open while we apply dye in a specific, predesigned pattern to help guide the procedure. Conductive keratoplasty ck conductive keratoplasty, better known as ck uses radiofrequency rf energy, instead of a laser, to reshape the cornea and help patients with near vision and reading. Conductive keratoplasty has allowed many people to lessen their dependency on glasses and usually provides. Conductive keratoplasty ck can improve your near vision allowing you to see clearly like you could 10 years ago.
It is a noninvasive alternative to other types of eye surgery. Conductive keratoplasty ck is a new nonablative, radiofrequencybased. Conductive keratoplasty is the only fdaapproved procedure for the correction of presbyopia. Ck works by increasing the curvature of the cornea in a uniform fashion and adding more light bending power to. Conductive keratoplasty procedure ophthalmology animation. By their midforties, most people notice a decline in their near vision. Conductive keratoplasty ck is a nonlaser refractive eye surgery designed to correct mild hyperopia and help people who are middleaged and older reduce their need for reading glasses after they become presbyopic refractec inc.
About presbyopia and conductive keratoplasty visit our san diego or coronado practice for treatment. Conductive keratoplasty ck is a new surgical technique for steepening the contours of the cornea to reduce hyperopia alio. Conductive keratoplasty for the correction of low to moderate hyperopia. Pdf to provide 6month results of a 1year clinical trial evaluating conductive keratoplasty ck for the treatment of presbyopic symptoms in.
Clinical trial 1year results on 355 eyes marguerite b. Conductive keratoplasty ck benefits, risks, candidcay. Conductive keratoplasty, an fdaapproved minor surgical procedure, has improved near vision for thousands of people with presbyopia. Conductive keratoplasty has been approved by the fda for the correction of hyperopia of 0. The cornea plays an important role in bending the light properly as it enters the eye. Conductive keratoplasty ck conductive keratoplasty utilizes radio frequency energy to change the focusing power of the eye used to correct farsightedness hyperopia and presbyopia. Conductive keratoplasty uses radio waves to reshape your cornea for improved focus. Conductive keratoplasty for the correction of hyperopia 81 taped closed. The patient was reminded to fixate on the light from the microscope during corneal marking. General clinical trial results have been published. Conductive keratoplasty ck is a surgical technique that delivers radio frequency 350. We would like to show you a description here but the site wont allow us. Ck utilizes radiofrequency rf energy applied to the outer aspects of the cornea to change the central corneal curvature. Conductive keratoplasty, better known as ck, uses radiofrequency rf energy to reshape the cornea.
Nearvision ck uses low energy radio waves to reshape the cornea and restore near vision. Conductive keratoplasty, teaneck, nj, ck, new york city. This animation describes a medical procedure known as near vision conductive keratoplasty created by refractec. Ck uses radio waves to shrink the collagen around the outer edge of the cornea. Refractive keratoplasty is surgery to reshape the cornea of the eye to correct vision problems such as myopia nearsightedness and hyperopia farsightedness. As the collagen shrinks it pulls the outer edge tighter, which, in turn, increases the dome shape of the cornea. However, with the help from insurance companies and payment plans available, you can get this surgery at a fraction of the cost. Ck utilizes radiofrequency rf energy applied to the outer aspects of the cornea to. Conductive keratoplasty ditch the glasses with nearvision ck. Conductive keratoplasty ck without contacts or glasses, corneal conditions and refractive errors like presbyopia can make daytoday tasks more challenging although lasik can correct these issues, many patients are intimidated by the laser or blade used during vision correction. Benefits for the treatment of side effects and complications of noncovered services e. The eightintersection ck marker was dampened with gentian violet or.
Conductive keratoplasty, also known as ck for short, is a surgery performed on patients that have mild to moderate cases of hyperopia. Conductive keratoplasty ck, an advanced method for vision correction using controlledrelease radiofrequency energy to. Topographyguided conductive keratoplasty was successful in reshaping the irregularity of advanced keratoconus quite effectively, reducing irregular astigmatism and improving visual acuity. Description, policy as not covered and when not covered. May 16, 2003 the limits of conductive keratoplasty now that conductive keratoplasty with the viewpoint system from refractec has been approved for over a year, and some patients are at their fouryear followup points, surgeons are getting a clearer picture of what the procedures limits are. An example of topographyguided conductive keratoplasty for. After the conductive keratoplasty procedure, the corneas of the subjects were obtained through penetrating keratoplasty pkp at different postoperative periods table and evaluated histologically.
Conductive keratoplasty using the viewpoint ck system refractec inc. A guide to laser vision correction online books dr. New refractive surgery procedures and their implications for. This form is intended as a sample form of the information that you as the surgeon should personally discuss with the patient. Conductive keratoplasty for the correction of low to. Conductive keratoplasty ck is a relatively new corneal steepening procedure for the correction of hyperopia and management of presbyopia. Conductive keratoplasty handpiece with keratoplast tip 90 m wide, 450 m long and insulated stop at the distal end. For both treatments, patients are typically 40 years of age or older and have had a stable refraction for at least 12 months. Conductive keratoplasty is a relatively quick procedure which takes up to 10 minutes to perform. Gender, age treated eye followup time between ck and pkp ck spots location 1 m 32 od 24 hours 3 spots at 12, 1, 2 oclock at 6 mm optical zone 2 m 33 os 24 hours 3 spots at 1, 2, 3 oclock at 6 mm optical zone. Kazakos, md, ioannis giapitzakis, md, and ioannis g. It does this by shrinking the collagen fibers of the cornea, analgous to changing the shape of a football by tightening the laces. Conductive keratoplasty followed by collagen crosslinking. Request pdf conductive keratoplasty conductive keratoplasty is a noninvasive, inoffice procedure for the correction of hyperopia, hyperopic astigmatism, and management of.
Local anesthetic eye drops are usually sufficient to keep your eye numb and free from pain. Its an exciting advancement in vision correction because it is a simple painless procedure that uses radiofrequency rf energy instead of a laser. In a series of studies, this thesis first will investigate the optics of the ck procedure, in general. Recent innovations in minimally invasive anterior and posterior. Since conductive keratoplasty is used to reduce farsightedness, it is primarily used to treat just the nondominant eye. Jun 19, 2012 penetrating keratoplasty pk for post lasik ectasia and hydrops duration. Keratoplasty definition of keratoplasty by medical dictionary. Conductive keratoplasty followed by collagen crosslinking with ribo.
The treatment areas on your cornea are marked for easy identification. Nearvision ck uses low energy radio waves to reshape. Ck is a nonlaser technique that uses mild heat energy to reshape the cornea for better vision. By directing the energy at the collagen tissue in the cornea in concentric circles, the process adds contour to the tissue so that the eye can focus on near objects. Pdf treatment of presbyopia with conductive keratoplasty. It is popular with those people who have had good sight all their lives until their mid forties when they begin to need reading glasses. Our surgeon uses a handheld instrument with a tiny probe smaller than a human hair to apply lowlevel, extremely accurate pulses of radio frequency rf energy to specific spots on thecornea. Lasik, in which the front of the cornea is removed, frozen, reshaped, and stitched. Nearvision ck conductive keratoplasty can change how the eye focuses light by reshaping the cornea to improve near vision. Nearvision conductive keratoplasty ck is a refractive surgery procedure that uses radiofrequency energy to reshape the cornea and correct presbyopia how does nearvision ck work. An excerpt of the video created for one of our clients. It uses the same principles of laser thermokeratoplasty ltk and radial keratocoagulation, although the former uses. Conductive keratoplasty ck is a treatment used for mild and moderate farsightedness hyperopia and presbyopia, a form of farsightedness known as aging eye, in which the eye gradually loses its ability to focus on closeup objects or print.
Conductive keratoplasty ck is a refractive procedure in which regions of the cornea are heated to cause collagen shrinkage and change the corneal shape to correct mild to moderate hyperopia. Developed by refractec, the process received fda approval for reduction of hyperopia, and in march 2004 received the first fda approval for vision technology to improve presbyopia. Conductive keratoplasty for the correction of low to moderate. Conductive keratoplasty ck is a type of refractive surgery that uses radio waves to adjust the contour of the cornea by shrinking the corneal collagen around it. Histological study of human corneascase summary case no. In 2004, conductive keratoplasty ck received fda approval for treatment of presbyopia in the nondominant eye of a presbyopic patient with an endpoint of. The operating microscope was positioned over or in front of the eye to be treated. Give the patient a copy and send this form to the hospital or surgery center as verification that you have obtained. These analyses will look at putative corneal multifocality, sia, and the optical aberrational profile. Reading becomes more difficult, even when books or newspapers are held at arms length.
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