Achieving 20/20 vision from Lasik
In a few studies comparing wavefront-guided LASIK to conventional LASIK, a slightly larger percentage of subjects treated with wavefront LASIK achieved 20/20 vision without glasses or contact lenses compared to subjects treated with conventional LASIK. Patient selection and the experience and competence of the surgeon are still the most important considerations.
Lasik Terms
Snellen Visual Acuity Chart
One of many charts used to measure vision.
Kerato
Prefix indicating relationship to the cornea.
PRK
The acronym for photorefractive keratectomy which is a procedure involving the removal of the surface layer of the cornea (epithelium) by gentle scraping and use of a computer-controlled excimer laser to reshape the stroma.
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