Variable Shape and Energy Delivered (ED), Topography-Customized (TG) CXL: 5-Year Efficacy and Stability | ASCRS
Poster
Variable Shape and Energy Delivered (ED), Topography-Customized (TG) CXL: 5-Year Efficacy and Stability
May 2019
Meeting: 2019 Annual Meeting
Authors: A. John Kanellopoulos, MD; Vasiliki Moustou ; Flavia Xhani
Poster ID: 55145
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Poster Abstract

Purpose
Evaluate safety, efficacy and stability of TG CXL long term.
Methods
32 consecutive poorly sighted eyes, of 18 patients underwent TG CXL. UV pattern included 3 areas of energy delivery of 15, 10 and 5 Joules, of 30mW/cm2 fluence. We evaluated age, acuity, auto-refraction (aSE), ECD, Placido topography (PT), Scheimpflug (S) and OCT tomography parameters for a mean of 3.8 years (3 to 4.2).
Results
Mean age: 68.5, and changes: aSE -2.5 Diopters (D) to -0.9D, steepest OCT keratometry: 45,5±3.71 D to 43,5±1.81 D similar with PT and S. ECD: 1850 to 1750 cells/mm2, CXL OCT line effect was in average 30% depth. There were 2 cases with no recordable effect.
Conclusion
TG CXL appears to be safe, with variable efficacy. It may become and alternative in the management of low myopia without cornea incision or ablation.

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