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PURPOSE

Comparing laser in situ keratomileusis and photorefractive keratectomy in different eyes of the same patient. Joseph Frucht-Pery, MD, Faik Orucov, MD *, David Landau, MD, Eyal Strassman, MD, Abraham Solomon, MD.

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PURPOSE

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Presentation Transcript

  1. Comparing laser in situ keratomileusis and photorefractive keratectomy in different eyes of the same patient. Joseph Frucht-Pery, MD, Faik Orucov, MD*, David Landau, MD, Eyal Strassman, MD, Abraham Solomon, MD Department of Ophthalmology, Hadassah University Hospital; School of Medicine – Hebrew University, Jerusalem, Israel

  2. LASIK PURPOSE VS To compare visual outcome of laser in situ keratomileusis (LASIK) and photorefractive keratectomy (PRK) in fellow eyes.

  3. LASIK METHODS VS • 50 myopic patients who underwent LASIK in one eye and PRK in the fellow eye. • DECISION FOR PRK: when we couldn't do LASIK: • - I-S ratio greater than 1.4 • - Residual stromal bed ≤ 250μ • - CCT ≤ 470μ • Minimum F/U 6 months.

  4. LASIK RESULTS VS PREOP LASIK P PRK I-S 0.73 D 1.04 D 0.002 SEQ -4.13± 2.06 D -4.75±2.80 D 0.209 BCVA 0.99 0.97 0.140

  5. LASIK RESULTS VS POSTOP LASIK P PRK UCVA 0.98± 0.21 0.96± 0.27 0.466 SEQ -0.17 ± 0.32D -0.07± 0.50 D 0.225 BCVA 1.04± 0.12 1.03± 0.18 0.861 Safety Index 1.05± 0.11 1.07± 0.16 0.367 Efficacy Index 0.98± 0.20 0.98± 0.24 0.991

  6. LASIK RESULTS VS POSTOPERATIVE UCVA Postoperative UCVA • ≥20/40; 100% in LASIK, 92% in PRK • ≥20/20;74% in LASIK, 66% in PRK

  7. LASIK RESULTS VS The BCVA • Improved 14 (28.0%) and in 19 (38.0%) patients in LASIK and PRK • Unchanged 31(62.0%) and in 26 (52.0%) patients in LASIK and PRK • Decreased 5 (10.0%) and in 5(10.0%) patients in LASIK and in PRK 31 62.0% LASIK PRK 26 52.0% 19 38.0% 14 28.0% 5 10.0% 5 10.0%

  8. Change in BCVA pre-post operatively Postoperative SEQ LASIK RESULTS VS preoperative postoperative LASIK 44 88% 44 88% PRK 1.04 1.03 0.99 0.97 5 10% 5 10% 1 2% 1 2% LASIK PRK

  9. LASIK CONCLUSION VS There is no difference in the outcome of LASIK and PRK in the fellow eye.

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