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Trabeculectomy is a surgical procedure used in the treatment of glaucoma to relieve intraocular pressure by removing part of the eye's trabecular meshwork and adjacent structures. It is the most common glaucoma surgery performed and allows drainage of aqueous humor from within the eye to underneath the conjunctiva where it is absorbed.
The implant is inserted through the trabecular meshwork, thus bypassing resistance of aqueous flow through the tissue. However, other glaucoma surgeries, such as canaloplasty, have shown that mechanical dilation of Schlemm's canal is also associated with a reduction in intraocular pressure. [ 31 ]
Reoperation after failed trabeculectomy or tube shunt is very challenging. Trabectome surgery is a minimally invasive alternative to a repeat filter or shunt. Studies of patients undergoing trabectome surgery after a failed tube shunt have shown a statistically significant reduction in intraocular pressure after one year [42].
Metallosis is the medical condition involving deposition and build-up of metal debris in the soft tissues of the body. [1]Metallosis has been known to occur when metallic components in medical implants, specifically joint replacements, abrade against one another. [1]
Valved implants, such as the Ahmed glaucoma valve, attempt to control postoperative hypotony by using a mechanical valve. Ab interno implants, such as the Xen Gel Stent, are transscleral implants by an ab interno procedure to channel aqueous humor into the non-dissected Tenon's space, creating a subconjunctival drainage area similar to a bleb.
Artificial bone implants that are an ill fit inside a patient due to events such as leaving the recipient bone unfixed can cause redness and swelling at the recipient region. [3] Ill fit implants may also be caused by sintering, which can cause dimensional contraction of an implant by up to 27%. [15]
During the procedure, which lasts about an hour, suction-like paddles are placed on the area being treated. Popular areas including the stomach, flanks and under the chin.
Osteo-odonto-keratoprosthesis (OOKP), also known as "tooth in eye" surgery, [1] is a medical procedure to restore vision in the most severe cases of corneal and ocular surface patients. It includes removal of a tooth from the patient or a donor.