Trabeculectomy has been the traditional surgical approach to glaucoma for decades and is considered the gold standard to which all other glaucoma procedures are compared. A channel is created through which the aqueous fluid flows from the anterior chamber, under a flap in the white of the eye, and into a reservoir under the conjunctiva (the clear membrane on the white of the eye). From here, the fluid is resorbed back into the patient’s bloodstream.