The Visante OCT (optical coherence tomography) provides high-resolution images of the anterior (front) segment of the eye, which includes the cornea, the aqueous humour, the iris, and the anterior and posterior chambers.
Optical coherence tomography may be done to assess pathology and type of glaucoma (open-angle or angle-closure) or inspect the relationship between the aqueous humour and its drainage angle.
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-Allows the doctor to evaluate pathology and the type of glaucoma (between open-angle or angle-closure)
-Allows the doctor to inspect the relationship between the aqueous humour and its drainage angle.
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The procedure takes just a few seconds. You will need to look straight ahead until the image is captured or until when you are told that you can move. The entire process takes approximately three to five minutes.
No special preparation is necessary as the procedure is similar to a photograph being taken. No tools come into contact with the eye and no eye drops are required.
Your results will be given to you by your doctor and you may head home afterwards.
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What is the success rate?
It provides information used to assess your risk of glaucoma as well as allows the doctor to measure the thickness of the cornea and the space in front of the iris.
What if this procedure is not performed?
The doctor cannot evaluate pathology and the type of glaucoma (open-angle or angle-closure) or inspect the relationship between the aqueous humour and its drainage angle.