There are a variety of different operations for glaucoma that differ in their efficacy, safety, side effect profile and suitability in different types of glaucoma.

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In general they can be divided into:

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Filtration surgery

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These procedures are used when the eye pressure needs to be significantly lowered with the exact procedure depending on the type of glaucoma and whether previous surgery has been performed.

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Minimally Invasive Glaucoma Surgery (MIGS)

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These are a group of procedures that lower the eye pressure in a less invasive way than filtration surgery. They can often be combined with cataract surgery.

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Cataract Surgery

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Cataract surgery involves removing the natural crystalline lens inside the eye and replacing with an artificial one. It is often associated with a drop in eye pressure and can be combined with a minimally invasive glaucoma surgery such as iStent Inject or laser such as Micropulse Cyclophotocoagulation.

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It is also a good treatment for angle closure or angle closure glaucoma as removing the bulky natural lens and replacing with a thin artificial one frees up space in the front of the eye and opens the drainage channel.

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