filtration surgery


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Related to filtration surgery: Trabeculectomy

filtration surgery

A surgical procedure aimed at lowering the intraocular pressure by producing an outflow of aqueous humour through a drainage passage created in the sclera between the anterior chamber and the subconjunctival space. See glaucoma surgery; deep sclerectomy; trabeculectomy; viscocanalostomy.
References in periodicals archive ?
The reason for a long survival rate of functional blebs in PG eyes after filtration surgery is still unknown.
While descriptions of surgical management in this text are centred on more common types of glaucoma, such as paediatric, angle closure and laser approaches to management, not to mention how to deal with concurrent cataract extraction in glaucoma filtration surgery, the text does not shy away from discussing more modern techniques such as the minute stent procedure, which aims to increase aqueous outflow at Schlemm's canal in order to reduce intraocular pressure, to cyclodestructive approaches which are reserved for patients who are unresponsive to even surgical methods of glaucoma management.
INDICATIONS: Glaucoma drainage device implantation is usually reserved for cases with refractory glaucoma, or those unlikely to respond successfully to a conventional filtration surgery.
Contact lens wearers who need glaucoma filtration surgery.
EX-PRESS GLAUCOMA FILTRATION DEVICE4: The Ex PRESS shunt is on the forefront of evolution towards smaller incision glaucoma filtration surgery.
Guarded filtration surgery (GFS) using Ahmed, Molteno and Baervaldt implants has been found to be very effective in obtaining control in aniridic glaucoma with success rates ranging from 66% to 100%.