RELex

RELex is a trade name of Carl Zeiss Meditec from Germany, and uses the femtosecond laser to do what LASIK does. LASIK currently does this with a combination of a femtosecond laser to create the flap, then an excimer laser to change the corneal shape. RELex is eliminating the excimer laser step.

It is also called FLEx. Here the femtosecond laser creates a corneal flap, then removes a lenticule of corneal tissue. The flap is lifted and ...