"The CustomVue Monovision device is designed to correct all nearsightedness in the dominant eye and only part of the nearsightedness in the other eye, the agency said. This allows use of the fully corrected eye for distance, and the partially corrected eye for objects that are close."

"People considering the surgery should wear specially designed contact lenses to monitor how they respond to having one eye's vision under-corrected, the FDA said."

"LASIK vision correction involves cutting a flap in the outer layers of the
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