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Laser Subepithelial Keratomileusis for Correction of Regression after Laser in Situ Keratomileusis

Author: LiuYan
Tutor: LiYan
School: Shandong University
Course: Ophthalmology
Keywords: LASEK LASIK regression re-operation myopia
CLC: R779.63
Type: Master's thesis
Year: 2008
Downloads: 49
Quote: 0
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Abstract


Objective: To evaluate the efficacy of laser subepithelial keratomileusis (LASEK) treating for the regression after laser in situ keratomileusis (LASIK).Methods : 13 cases (24 eyes), which with regression after LASIK treatment ,underwent LASEK surgery. The eyes were examined after surgery for more than 6 months, with evaluation of ocular symptoms,visual acuity,refraction and slit-lamp examination of corneal epithelial flap and Haze.Results: The patients had less ocular discomfort. All the corneal epithelial flaps were well positioned, with slight edema for about 3 days. No significant corneal stromal reactions were found. The uncorrected visual acuity reached preoperative best corrected level at post-operative 7 to 14 days. The mean spherical degrees of post-operative 6 months were (+0.05±0.33)D. The incidence of haze were significantly less than those of PRK. No regression, steroid-induced ocular hypertension or secondary keratoconus were found.Conclusion : 1. LASEK treatment after LASIK regression was safe and feasible and effective, especially for the eyes with thin residual stroma, long-term effect depending further observation.2. Epi-LASIK is not fit for the re-operation after LASIK.

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CLC: > Medicine, health > Ophthalmology > Eye surgery and surgery > Retinal photocoagulation and laser eye surgery
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