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Surgeons are reverting back to PRK
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Author:  Broken Eyes [ Thu Jun 21, 2007 1:22 am ]
Post subject:  Surgeons are reverting back to PRK

J Refract Surg. 2007 Mar;23(3):312-5.

Bilateral bacterial keratitis in three patients following photorefractive keratectomy.

Karimian F, Baradaran-Rafii A, Javadi MA, Nazari R, Rabei HM, Jafarinasab MR.

Cornea and Anterior Segment Service, Department of Ophthalmology, Labbafinejad Medical Center, Shaheed Beheshti Medical University, Tehran, Iran. karimianf@yahoo.com


Quote:
Since the clinical approval of the excimer laser
for refractive surgery, the application rate of this
technology is increasing. Photorefractive keratectomy
(PRK) is one of the most commonly performed
refractive procedures and the safety and effi cacy have
been well proven.1 Photorefractive keratectomy was
fi rst introduced approximately 20 years ago, but due to
its disadvantages (eg, severe pain and corneal haze) it
was soon replaced by LASIK, which seemed to incur
fewer complications. Unfortunately, because of longterm
complications of LASIK, such as keratectasia, this
procedure is used more cautiously
. In recent years,
application of anti-metabolites, such as mitomycin C
(MMC), has decreased the incidence of corneal haze.2,3
In addition, treatment with nonsteroidal anti-infl ammatory
medications and bandage contact lens use has
decreased the incidence of pain after PRK. Therefore,
many ophthalmologists are reverting back to PRK
.4

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