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LASIK maintains corneal integrity despite long-term regression in high myopes
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Long-term analysis of LASIK outcomes in patients with high myopia and astigmatism showed corneal integrity was maintained even though myopia regressed, according to a study.
The retrospective study analyzed outcomes in 39 eyes with 6 D to 18 D of myopia and up to –5 D of astigmatism who underwent LASIK at least 15 years ago.
“Today, most of these patients would not be candidates for refractive surgery performed using the LASIK technique,” the authors said. “Even so, the efficacy in these patients was high over the long term, even taking into account the myopic regression.”
Mean decimal uncorrected distance visual acuity (UDVA) increased significantly, from 0.01 before surgery to 0.51 at 3 months after surgery (P < .001). UDVA also increased significantly from 3 months to 2 years after surgery (P < .001). Subsequent changes were insignificant.
Mean corrected distance visual acuity increased significantly, from 0.64 preoperatively to 0.78 at 2 years (P < .001) and remained stable.
Refraction was within 1 D of attempted spherical equivalent in 46.15% of eyes and within 2 D in 64.10% of eyes at 15 years.
Twelve eyes (30.77%) underwent re-treatment within 5 years, the authors noted.
Disclosure: See the study for a full list of all authors’ relevant financial disclosures.
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