Computed Corneal Topography is a computer assisted diagnostic tool that creates a three-dimensional map of the surface curvature of the cornea. The cornea (the front window of the eye) is responsible for about 70 per cent of the eyes' focusing power. An eye with normal vision has an evenly rounded cornea, but if the cornea is too flat, too steep, or unevenly curved, less than perfect vision results. The biggest advantage of Computed Corneal Topography is its ability to detect irregular conditions invisible to most types of conventional testing methods. Corneal Topography produces a detailed, visual description of the shape and power of the cornea. As a matter of fact, this type of analysis provides the Ophthalmologist with very fine details regarding the condition of the corneal surface. These details are then used to diagnose, monitor, and treat various eye conditions.
Computed Corneal Topography Treatment begins with the patient seated facing a bowl containing an illuminated pattern. Thereafter, the pattern is focused on the patient's cornea and reflected back to a digital camera at the centre of the bowl. As a result, the shape taken by the reflected pattern reveals the topology of the cornea. With the help of a computer, the doctor can see the necessary analysis, typically determining the position and height of several thousand points across the cornea.
Computed Corneal Topography can be beneficial in the evaluation of certain diseases and injuries such as Corneal Diseases, Corneal Abrasions, Corneal Deformities, and Irregular Astigmatism following Corneal Transplants.
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