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Alcon LADARWave customcornea retreatments
Daniel S Durrie1, Jason E Stahl, Frank Schwendeman
1Durrie Vision, 5520 College Blvd, Ste 201, Overland Park, KS 66211, USA. ddurrie@durrievision.com
Journal of Refractive Surgery (Thorofare, N.J. : 1995)
|December 7, 2005
Summary
Wavefront-guided ablation effectively treats refractive errors after surgery. This method reduces aberrations, improving vision quality for patients needing retreatment.
Area of Science:
- Ophthalmology
- Refractive Surgery
- Wavefront Aberrometry
Background:
- Residual refractive error after prior refractive surgery presents a challenge.
- Wavefront analysis offers a precise method for assessing visual aberrations.
Observation:
- Four cases of wavefront-guided ablations for retreatment were analyzed.
- Procedures included LASIK, LASIK retreatment, PRK retreatment, and PRK over RK retreatment.
- Alcon CustomCornea and LADARWave platforms were utilized.
Findings:
- Wavefront-guided retreatment significantly decreased lower and higher order aberrations.
- Visual quality improved post-procedure.
- A target offset of +0.75 diopters can prevent myopic overcorrection in cases with spherical aberration.
Implications:
- Wavefront-guided ablation is a viable option for correcting residual refractive errors and aberrations.
- Tailored ablation algorithms are needed for optimizing retreatment outcomes.