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KMID : 0376219950310020299
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Chonnam Medical Journal
1995 Volume.31 No. 2 p.299 ~ p.304
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Excimer Laser Photorefractive keratectomy with Masking Fluid; Hydration Technique ReportII
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Seo Man-Seong
Kim Seon-Ho
Lee Yeon
Park Yeoung-Geol
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Abstract
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To evaluate the long-term result of photorefractive keratectomy (PRK) using masking fluid, retrospective review of 17 eyes with minimum follow-up time of 20 months was performed. All 17 eyes had uncorrected visual acuities of above 0.9. Mean manifest refraction was -4.18+/-1.04 (mean+/-standard deviation) diopters (D) at the preoperative, -0.04+/-0.30 D at one year and -0.21+/-0.22 D at the final visit (21.64+/-1.27 months) after operation. The change of mean keratometric power was 1.23+/-0.68 D, and mean corrected rate (achieved/attempted correction) was 0.97+/-0.10. There were decentrations within 0.2 mm in 3 eyes (18%) and no ’central island’ in computerized videokeratography. Five eyes (29%) with increased intraocular pressure of above 20 mmHg were well controlled with a beta-blocker and/or cessation of corticosteroid therapy. The corneal opacity was found in one eye (6%). Our reports including the previous suggest that PRK using masking fluid (hydration technique) showed small amount of refractive regression and complication
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