Gonioscopy


A procedure often completed at a routine eye test, which looks at the front part of the eye between the cornea and the iris. A mirror/lens device is placed directly on the cornea and then the drainage area through which aqueous fluid exits the eyeball is viewed to see whether it is open or closed.

The procedure is painless and is often completed if you are at risk of developing glaucoma. This may be the case if there is a family history of the condition. If left untreated, glaucoma can cause blindness due to damage to the optic nerve. Gonioscopy can also help find scarring or other damage to the drainage angle.

Gonioscopy is often carried out by an ophthalmologist. In the procedure, first the eye is numbed and then a microscope is used to examine the eye. A lens is placed on the front of the eye, and then a narrow beam of bright light is directed into the eye. The eye is examined through the slit lamp. Vision may be blurred after a Gonioscopy, and this may last for several hours due to the anaesthetic.


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