Related Experiment Videos
Conventional vs wavefront-guided LASIK using the LADARVision4000 excimer laser.
Andrew I Caster1, James L Hoff, Roman Ruiz
1Caster Eye Center, Beverly Hills, CA, USA. acaster@castervision.com
Journal of Refractive Surgery (Thorofare, N.J. : 1995)
|December 7, 2005
Summary
Wavefront-guided LASIK surgery using CustomCornea offers superior visual acuity and accuracy compared to conventional LASIK. This advanced treatment provides better outcomes for myopia correction.
Area of Science:
- Ophthalmology
- Refractive Surgery
- Laser Vision Correction
Background:
- Laser-assisted in situ keratomileusis (LASIK) is a common procedure for correcting refractive errors.
- Conventional LASIK uses a standard laser profile for ablation.
- Wavefront-guided LASIK customizes the ablation profile based on individual eye measurements.
Purpose of the Study:
- To compare the clinical outcomes of LASIK using conventional LADARVision4000 versus wavefront-guided LADARWave CustomCornea.
- To evaluate visual acuity, refractive accuracy, and higher-order aberrations after both procedures.
Main Methods:
- A prospective study involving 140 myopic eyes undergoing LASIK.
- Eyes were treated with either conventional or CustomCornea wavefront-guided LASIK.
- Outcomes including uncorrected visual acuity (UCVA), best spectacle-corrected visual acuity, and wavefront measurements were assessed for 3 months post-surgery.
Main Results:
- CustomCornea achieved significantly better UCVA (80% >= 20/20) compared to conventional LASIK (45% >= 20/20).
- 85% of CustomCornea eyes were within +/- 0.50 D of intended correction versus 55% for conventional LASIK.
- CustomCornea demonstrated a statistically significant lower increase in higher-order aberrations.
Conclusions:
- CustomCornea wavefront-guided LASIK is safe and effective for myopia correction.
- Wavefront-guided LASIK provides enhanced clinical benefits over conventional LASIK.
- This technology offers improved visual outcomes and reduced aberrations.