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Specialty Contact Lens Fit

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Yesterday we fit a patient with a scleral contact lens. Scleral contact lenses are used for patients with irregular corneas, diseased corneas or post surgical corneas. The cornea is the clear window of the eye.

A scleral lens works by vaulting or clearing the cornea completely and landing or touching down on the white part of the eye, which is called teh sclera. A nice layer of tears fills the space between the cornea and the lens producing a even optical surface.

Essentially you are taking a very rough irregular surface and making it into a perfectly smooth – curved surface. If all goes well the vision is excellent as it was in this case.

The image of patient PT below shows the contact lens clearing or vaulting over the cornea.

The image of patient PT below shows the contact lens landing on the white part of the eye.

Written by Jeff Goodhew

Dr. Goodhew graduated from the University of Waterloo with his Optometry degree in 1993 and became therapeutically licensed in 2000. He enjoys being an active part of his profession, having served as the President of the Ontario Association of Optometrists from 2014 through 2016. Dr. Goodhew also served as the co-chair of the National Public Education Committee for the Canadian Association of Optometrists.
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