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9 Patrick Street West
Wingham, ON
N0G 2W0
Phone:(519) 357-1282
Fax:(519) 357-4509
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Corneal Topography
Introduction
The first surface that light entering the eye encounters is the front of the cornea, the clear, dome-shaped window which covers the iris. Because the cornea provides a major part of the focusing power of the eye, an accurate analysis of its shape and curvature is important in contact lens design or evaluating changes resulting from various disease processes.
Once, the only way to measure any part of the cornea’s shape was the keratometer, which only measured the centr...
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