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Laser in situ keratomileusis with Alcon CustomCornea
Michael A Lawless1, Christopher Hodge, Christopher M Rogers
1Eye Institute, Sydney, Australia. mlawless@theeyeinstitute.com.au
Journal of Refractive Surgery (Thorofare, N.J. : 1995)
|December 3, 2003
Summary
CustomCornea laser vision correction improved visual acuity and contrast sensitivity. This advanced LASIK procedure enhanced visual quality compared to conventional methods, with further analysis needed on higher-order aberrations.
Area of Science:
- Ophthalmology
- Refractive Surgery
- Corneal Surgery
Background:
- Laser in situ keratomileusis (LASIK) is a common refractive surgery.
- Advancements in LASIK technology aim to improve visual outcomes and patient satisfaction.
Purpose of the Study:
- To evaluate the initial 3-month outcomes of Alcon's CustomCornea LASIK procedure.
- To assess visual acuity, contrast sensitivity, and subjective visual quality after CustomCornea surgery.
Main Methods:
- Prospective analysis of 31 eyes from 17 patients undergoing CustomCornea surgery.
- Wavefront analysis using LADARWave aberrometer and LADARVision4000 excimer laser.
- Psychophysical testing (contrast acuity, contrast sensitivity) and psychometric testing (subjective vision questionnaire).
Main Results:
- Significant improvement in spherical equivalent refraction from -3.05 D to +0.02 D at 3 months.
- High uncorrected visual acuity: 46.4% achieved 20/16, 92.7% achieved 20/20.
- Statistically significant improvements in contrast sensitivity (scotopic and photopic) and subjective visual quality.
Conclusions:
- CustomCornea LASIK demonstrated improvements over conventional LASIK in psychophysical and psychometric measures.
- The procedure led to enhanced visual quality and better contrast sensitivity.
- Further research is required to understand the correlation between higher-order aberrations and visual performance.