See Photorefractive Keratectomy.
(photorefractive keratectomy) (foh-toh-ruh-FRAK-tihv ke-ruh-TEK-toh-mee). Use of high intensity laser light (e.g., an excimer laser) to reshape the corneal curvature; for correcting refractive errors.
Since it was first developed in 1987, over 1,000,000 Photorefractive Keratectomy (PRK) procedures have been performed. PRK uses an excimer laser to gently reshape the surface of the cornea. Because the excimer laser is a cold laser, it does not burn the tissue. It produces a gentle beam of light which removes microscopic corneal layers, usually only 10-15% of the cornea's total thickness. This process, known as photoablation, changes the shape of the cornea, resulting in an image which is more finely focused on the retina, restoring clearer vision.
Photorefractive Keratectomy; a procedure in which a small section of the corneal surface is removed with a laser in order to modify its refractive properties and provide correction for problems with visual acuity.
The refractive procedure known as photorefractive keratectomy. A high-powered, computer-controlled beam of ultraviolet light is used to sculpt the cornea surface.
Acronym for Photorefractive Keratectomy. Refractive eye surgery procedure that employs a computer-controlled Excimer laser system to sculpt by ablation (vaporize) the central corneal zone, or visual axis, to change its shape in order to correct some cases of nearsightedness, farsightedness and astigmatism. See Photoreactive Keratectomy, Refractive Surgery in Eye Care Encyclopedia.
A type of eye surgery that employs laser light instead of surgical knives to reshape the cornea.
photo refractive keratectomy. Use of a laser to reshape the cornea to correct errors of refraction.
(Photo-Refractive Keratectomy) A type of laser eye procedure used to treat various refractive or focusing errors of the eye. PRK reshapes tissue on the surface of the cornea, thereby eliminating (or reducing) the corneal refractive error and significantly changing the requirement for corrective eyewear. The procedure, although less surgically invasive, generally requires a longer healing process.
The acronym for Photorefractive Keratotomy. This procedure involves pushing aside the outermost layer of the cornea (the epithelium) and using an excimer laser to treat the underlying corneal tissue. To read more about PRK, see the section on Laser Vision Procedures.
Surgical procedure to reshape the cornea with excimer laser; approved for use in correcting myopia, hyperopia, and astigmatism. Also known as laser vision correction.
laser treatment for myopia
A type of laser which is used in a surgical manner to improve eyesight.
The abbreviation given to Photorefractive Keratectomy. The original excimer laser refractive surgery, PRK reshapes the surface of the cornea to correct nearsightedness, farsightedness and astigmatism.
Photorefractive Keratectomy; a type of refractive surgery in which the epithelium of the cornea is removed prior to laser treatment and then allowed to naturally regrow
hoto efractive eratectomy Sculpting of a myopic or hyperopic lens for refractive reasons on the front surface of the eye with the use of a "cold" laser light.
is the acronym for photorefractive keratectomy which is a procedure involving the removal of the surface layer of the cornea (epithelium) by gentle scraping and use of a computer-controlled excimer laser to reshape the stroma.
PRK involves sculpting the surface of the cornea by removing minute amounts of corneal tissue to alter the radius of curvature and the focus point of the eye. The surface layer of the eye (the epithelium) is first removed and laser pulses then ablate the deeper stromal tissue. The amount of corneal tissue to be removed is directly dependant on the size and type of refractive error. PRK has been used successfully on thousands of patients worldwide.
Photo Refractive Keratectomy. A surgical procedure utilizing an excimer laser to reshape the central cornea to a flatter shape for people who are nearsighted and a more curved surface for people who are farsighted. PRK techniques can also be used to correct astigmatism. The PRK procedure does not involve making a flap.
Photorefractive Keratectomy - Procedure where an excimer laser is used to remove a thin layer of tissue from the center of the cornea. During the procedure, the laser's light energy is converted into chemical energy which evaporates molecules of corneal tissue in very precise amounts. By altering the curvature of the cornea, PRK helps reduce or eliminate moderate nearsightedness and astigmatism.
An acronym for Photorefractive Keratectomy, a refractive surgery procedure that uses an excimer laser to remove tissue directly from the surface of the cornea.
Photo Refractive Keratectomy Sculpting of a myopic or hyperopic lens for refractive reasons on the front surface of the eye with the use of a "cold" laser light.
Abbreviation for photorefractive keratectomy
Photorefractive Keratectomy. Use of an excimer laser to reshape the front part of the eye (the cornea).
Surgical procedure in which an excimer laser is used to remove corneal tissue to correct vision problems.
Abbreviation for Photo Refractive Keratectomy. A common type of laser vision correction procedure. PRK ablates the surface of the cornea while LASIK differs in that it ablates under a flap of corneal tissue that is replaced once the laser has completed the treatment.
