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Paper Information

Journal:   TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)   2006 , Volume 63 , Number 10; Page(s) 851 To 858.
 
Paper: 

LONG TERM RESULTS OF LASER IN SITU KERATOMILEUSIS FOR MYOPIA

 
 
Author(s):  HASHEMI H., MEHR AVARAN S., FOTOUHI A., PAPOOR S.
 
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Abstract: 

Background: To evaluate the long-term predictability, stability, safety, efficacy, and patient satisfaction of laser in situ keratomileusis (LASIK) in treating our first myopic patients after five years.
Methods: Ninety-seven eyes (54 patients) that had LASIK for myopia with our first system were revisited. The mean follow-up time for these patients was 5.4 years (range, 4.4 to 6.3 years) on the last examination. The Chiron Automated Corneal Shaper (ACS) was used to create the flap and a summit OmniMed Technology excimer laser was used to ablate all corneas. All patients had an ophthalmic examination that included refraction (manifest, subjective, and cycloplegic), visual acuity, biomicroscopy, applanation tonometry, funduscopy, keratometry, pachymetry, and corneal topography. Patients completed an 11 item questionnaire to evaluate their satisfaction with the surgery and its visual outcome.
Results: The mean spherical equivalent was -8.5±3.4D (range, -16.8 to -2.9 D) preoperativelyand -1.7±1.8D (range, -8.3 to 0.8 D) on the final follow-up visit with 55 (56.7%) eyes within ±1.0 D and 86 (88.7%) within ±3.0 D of the intended correction. Uncorrected visual acuity was 20120 or better in 23 (23.7%) eyes, and 20/40 or better in 66 (68.0%). Four eyes (4.2%) gained >2 lines of BCVA, and 2 eyes lost >2 lines of BCVA. A 92.1% of patients were quite or very pleased with their vision and 82.4% would certainly have had the surgery again.
Conclusion: In the long term, LASIK seems to be a safe and effective modality for treating myopia especially in low to moderate corrections. Considering the advances in its technology and the better comprehension of its effects and complications, more favorable outcomes can be expected.

 
Keyword(s): LASER IN SITU KERATOMILEUSIS, MYOPIA, LONG TERM FOLLOW-UP
 
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