Intracorneal Ring Segment of 210-Degrees in Post-LASIK Ectasia and Decentered Keratoconus: Follow-up of Clinical and Biomechanical Changes
Narrative Responses:
Purpose
To determine if intracorneal ring segment of SK 210- degree arc in 7 central mm, are useful in de-centered ectasia with a low refractive defect, evaluating corneal biomechanics in terms of curvature values and aberrometry reviewing refraction and visual outcomes.
Methods
A non-randomized experimental prospective controlled study with a non-probabilistic sample, including 10 patients with de-centered cases of keratoconus and post-lasik ectasia, defined as major power of the cone located outside the 3mm of central topography in curvature map, and apex of the cone between 5 to 7 milimiters in axial map. We evaluate the changes between pre and postoperative measurements ofcorneal vertical coma, flat simulated keratometry, steep simulated keratometry and maximum keratometry.
Results
In process
Conclusion
In process