What types of glaucoma surgery are there?
There are several types of glaucoma surgery, which all share the common goal of trying to reduce the eye pressure to help prevent damage to the structures of the eye and vision from the glaucoma. To help remember them better, they can be categorised as • Angle surgery – this type of surgery helps to open the eye’s own drainage system (also called the “angle” or the “trabecular meshwork”) so that the fluid of the eye (the aqueous humor) can get from the inside to the outside of the eye through the natural drainage route); • Filtration or Drainage surgery – this type of surgery helps the aqueous humor within the front part of the eye to get out through new passageways, but does not use the eye’s own drainage system; • Cycloablation or Cyclodestruction surgery – this type of surgery works to decrease the amount of aqueous humor that the eye makes, by treating the part of the eye (the ciliary processes) which make the fluid. It is very important to understand that the best surgery for one