We now have three excellent FDA-approved laser methods to treat myopia, hyperopia and astigmatism in PRK, LASIK and SMILE.
A significant number of surgeons still use corneal or limbal relaxing incisions generated by a blade or femtosecond laser to treat astigmatism, often in combination with cataract surgery. Femtosecond laser application to the corneal stroma, which can change the cornea’s refractive index, is being evaluated by several companies, including Clerio, and first-in-human treatments have been promising.
All of these procedures together fall into the category of refractive
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