Poster # P-243 Comparison of LASIK Safety and Accuracy with 3 Excimer Laser Platforms

Presenter: Faktorovich, Ella

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Results:
At 1- and 3-months postop, uncorrected visual acuity (UCVA) was 20/16 or better in 83% and 85% WL eyes, 72% and 63% L6000C, 79% and 71% L4000C, 78% and 68% L4000W. The differences at 3-months were statistically significant (p<0.05). At 1- and 3- months postop, % of eyes within 0.50D of intended correction was 100/98% WL; 98/95% L6000C; 94/96% L4000C; 94/98% L4000W. The differences were not statistically significant (p>0.05). At 3-months, R2 Values for predictability of sphere correction were 0.99 for all platforms. R2 Values for predictability of cylinder correction were 0.90 WL; 0.93 L6000; 0.95 L4000C; 0.94 L4000W. No eyes lost 2 lines of best corrected visual acuity (BCVA). At 1- and 3-months postop, loss of 1 line of BCVA was 1.2% and 0% WL eyes, 7.6% and 5.4% L6000, 7.2% and 4.7% L4000C; and 7.1% and 4.9% L4000W. The difference in BSCVA loss between WL and other platforms was statistically significant (p<0.05).






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