53.8 MB (1.4 MB compressed)
5369 x 3500 pixels
45.5 x 29.7 cm ⏐ 17.9 x 11.7 in (300dpi)
PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY
Laser eye surgery. Surgeon using a microscope device while carrying out LASIK eye surgery on a patient. LASIK (laser-assisted in-situ keratomileusis) is a type of refractive laser eye surgery that corrects a condition called astigmatism. A laser is used to correct blurred vision caused by an irregular curvature of the cornea or lens. It is also used to correct myopia (short-sightedness) and hyperopia (long-sightedness). Anaesthetic drops are used to numb the eye (seen on screen at upper right) before a flap of the cornea is cut open with a suction ring (in surgeon's hand) to allow the laser to be used.
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