Incisional Surgeries
Minimally-invasive glaucoma surgery (MIGS)
There are numerous MIGS devices that have been approved and are in stages of further research. The goal of these surgeries is to improve the outflow of fluid in the eye through the eyes natural drainage system. Many times these surgeries are combined with cataract surgery but certain select procedures may be performed as a standalone
Examples include:
- Hydrus® Microstent
- Goniotomy (via various registered trademarked instruments)
- Gonioscopy assisted Transluminal Trabeculotomy (GATT)
- Canaloplasty
- iStent®
Glaucoma Drainage Surgery
The goal of these surgeries are to create a new channel for fluid to exit the eye. These can sometimes also be combined with cataract surgery.
Examples Include:
- XEN® Gel Stent: This is a microscopic stent that creates a bypass channel
- Glaucoma Tube Shunt (various models to be selected by your doctor on a case by case basis): These typically consist of larger stents to create a bypass channel
- Trabeculectomy: This is a surgery that creates a bypass channel using your bodies own tissue and antiscarring agents
This figure provides a intraoperative view of a Xen gel stent placed inside the eye. The lumen of this tube is 45 micrometers wide. This is 0.001 inches wide!
This figure demonstrates a glaucoma tube shunt device. The tube goes inside the eye and drains to the plate which lies in the eye socket.
Cataract Surgery: Please see the section on cataract surgery for a more basic overview. Sometimes your doctor will perform cataract surgery as a standalone or combine with glaucoma surgery and this is determined on a case by case basis. Numerous lens options exist and continue to be developed. It is important to discuss the risks and benefits of the type of lens placed in your eye if you have glaucoma.
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