A circular channel in the sclera surrounding the cornea that drains aqueous humor from the eye.
The white part of the eye.
A small hole made in the sclera to allow excess aqueous humor to escape from the eye. This is a critical step in trabeculectomy surgery.
A tube that is put in the eye surgically to treat glaucoma by providing an alternate drainage pathway for the aqueous humor. Also referred to as a glaucoma drainage tube, glaucoma tube, glaucoma valve, tube, or tube shunt.
A medicine that has the ability to reduce inflammation. Steroids may be administered as eyedrops, eye ointment, orally, or by injection
Misaligned eyes. In some countries, the term squint is used instead.