IAN BODDY / SCIENCE PHOTO LIBRARY IAN BODDY / SCIENCE PHOTO LIBRARY
Eye surgery. Image 3 of 3. A flap of cornea (front part of the eye) is being lifted out of the way by a surgeon before laser eye surgery. The cornea was cut open to reveal its inner layers, which will be reshaped by a laser, altering the focusing power of the cornea. This process can be used to treat myopia (short- sightedness) and other focusing defects. After the operation, the flap is replaced and the eye heals rapidly. For a sequence showing the removal of the outer part of the cornea, see images M570/143-145.
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