Lasik Surgery Results Can Be Hurt By Sticky Weather
Lasik surgery results can be hurt by warm temperatures and high humidity, increasing the number of people who require follow-up procedures, says a Wake Forest University Baptist Medical Center study.
Outdoor temperatures and humidity in the weeks before a person had LASIK also influenced surgery results, the study found.
The number of eyes requiring enhancement procedure was 0 percent in the winter and 50 percent in September, when outdoor humidity was highest. In less humid months, there was a tendency to overcorrect vision. During humid months, there was a tendency to undercorrect vision.
The study, which included LASIK surgery on 368 eyes of 191 patients, evaluated 12 variables suspected to affect LASIK results. These factors included age, sex, curvature of the cornea, and environmental factors such as room and outdoor temperature and humidity.
An analysis of these variables revealed that indoor humidity had the most impact on whether a person required an enhancement procedure. The findings appear in the current issue of the Journal of Cataract and Refractive Surgery.
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