Advanced Glaucoma Surgery

What is Glaucoma?

Glaucoma is a complicated disease in which damage to the optic nerve leads to progressive, irreversible vision loss. Glaucoma is the second leading cause of blindness. Glaucoma damage may be caused by raised eye pressure or a weakness in the optic nerve. Your eye needs a certain amount of pressure to keep the eyeball in shape so that it works properly. The eye contains a clear watery fluid that circulates within the eye and gets drained away through drainage channels known as the ‘trabecular meshwork’. In the normal eye, the amount of fluid produced and the amount being drained is equally balanced. However, in glaucoma this balance is upset and causes the intraocular pressure to rise. It is this rise in pressure that damages the optic nerves. The amount of damage there is depends on how high the pressure is and how long it lasts, and whether there is a poor blood supply or other weakness of the optic nerve.

Types of glaucoma

In Primary Open Angle Glaucoma, the drainage of the aqueous fluid from your eye doesn’t happen as well as it should and this causes the pressure to increase. Your eye may seem perfectly normal and your eyesight will seem to be unchanged – because when the pressure starts to build up it doesn’t cause you any pain – but your vision will still be getting damaged.
Your peripheral vision, which is the vision you have around the edge of what you are looking directly at, gradually gets worse. This type of glaucoma becomes more common over the age of 40, so you should have your eyes tested every two years.

Risk factors for Glaucoma:


The goal of glaucoma treatment is to decrease the pressure in the eyes. This is achieved using special eye-drops or medications. Surgery is recommended if medications don’t yield the desired result, or with an aim to prevent further vision loss or blindness.

Depending on your particular situation, surgical options include:

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