Visante Optical Coherence Tomography
Optical Coherence Tomography creates a series of 2-dimensional cross-sectional photographs of the eye running from the surface to the back of the cornea, thus measuring the complete anterior segment of the eye. The instrument is invaluable for fitting scleral lenses, since the characteristics and clearance of the lens can be isolated and measured in microns. This detailed profile assists in obtaining more perfectly fitting lenses that can be worn comfortably for many hours. Below are some recent photographs showing scleral lenses being worn and measured by the Visante OCT. Note how irregular the cornea is, and how the scleral lens is able to form a smooth prosthetic surface that restores vision.
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