Intrastromal Corneal Ring Segments (INTACS)
INTACS are made of two semicircles of plastic that rest between the layers of tissue in the cornea. They cause the peripheral cornea to become more steep and the central cornea to flatten. This change in shape corrects nearsightedness by shifting the point at which light is focused on the retina. Learn more at http://www.geteyesmart.org.
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