PRK


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PRK

abbreviation for
(Surgery) photorefractive keratectomy
Translations

PRK

abbr photorefractive keratectomy. V. keratectomy.
References in periodicals archive ?
The Everline PRK, equipped with a 0-10V dimmable LED driver, will retrofit 1-by-4 foot (PRK14), 2-by-2 foot (PRK22) and 2-by-4 foot (PRK24) fluorescent recessed fixtures to Everline LED.
The aim of this study was to compare the changes in corneal biomechanical properties after PRK and SMILE in the treatment of low and moderate myopia.
PRK advantages includes less depth of laser treatment than LASIK, suitable for patients with a thin cornea, no risk of corneal flap complications and reduced risk of compromised corneal thickness.
While PRK tends to have longer recovery times and more pain than LASIK, the risk of corneal damage is dramatically lower.
Our results support the findings of numerous short-term studies that found no significant endothelial cell loss after LASIK and PRK," the authors said.
For standard applications with a scanning range up to 400 mm, the PRK 3b series has extremely good black-and-white performance and reliable switching operation irrespective of the object and background properties.
In 2001, when he was eligible to apply to NASA's civilian astronaut program, the Air Force began granting PRK waivers for fliers.
However, Catharine Chisholm, a research fellow at the Applied Vision Research Centre at City University, London, and vice president of the British Society for Refractive Surgery, says PRK has now been superseded by LASIK (Laser Assisted In-Situ Keratomileusis).
As with PRK, the excimer laser is used to remove microscopic amounts of tissue, not on the surface of the eye but in the deeper layers.
With PRK, or photorefractive keratectomy, the surgeon cuts away at the surface of the cornea.
RK and PRK reduce nearsightedness by altering the shape of the cornea.
In other countries, the best refractive surgeons use PRK to treat farsightedness and a wider variety of astigmatisms.