Chonnam Med J.  1995 Dec;31(2):299-304.

Excimer Laser Photorefractive keratectomy with Masking Fluid; Hydration Technique ReportII

• Seo MS
• Kim SH
• Lee Y
• Park YG

Abstract

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.

Keyword

Central island; Corrected rate; Hydration technique; Computerized videokeratography

MeSH Terms

Corneal Opacity
Corneal Topography
Follow-Up Studies
Intraocular Pressure
Lasers, Excimer*
Masks*
Photorefractive Keratectomy*
Retrospective Studies
Visual Acuity