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Myopic keratomileusis in situ: a preliminary report
E Arenas-Archila1, J C Sanchez-Thorin, J P Naranjo-Uribe
1Ophthalmology Section, Fundacion Santa Fe de Bogota, Colombia.
Journal of Cataract and Refractive Surgery
|July 1, 1991
Summary
This study evaluated myopic keratomileusis in situ, finding it imprecise and unpredictable for myopia correction. Complications were noted, suggesting further technique improvements are needed for better safety and predictability.
Area of Science:
- Ophthalmology
- Refractive Surgery
Background:
- Myopic keratomileusis in situ is a surgical technique aimed at correcting myopia.
- Evaluating the safety, precision, and predictability of this technique is crucial for patient outcomes.
Purpose of the Study:
- To report a retrospective evaluation of myopic keratomileusis in situ.
- To assess the efficacy and complications associated with this refractive surgery technique.
Main Methods:
- Retrospective analysis of 32 eyes undergoing myopic keratomileusis in situ.
- Data collected included refractive and keratometric measurements, visual acuity, and complication rates.
- Statistical analysis, including Pearson correlation and multiple regression, was used to evaluate predictability.
Main Results:
- Mean myopia reduction was 8.48 D (refraction) and 3.96 D (keratometry).
- Postoperative spherical equivalent was -1.70 D; cylinder correction increased by -0.48 D.
- While uncorrected vision improved, best corrected visual acuity diminished in 14 eyes; predictability was limited.
Conclusions:
- Myopic keratomileusis in situ demonstrated limited predictability and was not found to be technically safe or precise in this series.
- Complications included visual acuity reduction, refractive errors, astigmatism increase, and various corneal issues.
- Further advancements in technique and equipment may be necessary to improve outcomes.