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Trabeculectomy With Use of Subconjunctival Collagen Implant (Ologen)

Poster Details

First Author: M.Abdul Karim UK

Co Author(s):    H. Wassef   R. Singh   P. Baranyovits        

Abstract Details


To evaluate outcomes of trabeculectomy with use of a subconjunctival biodegradable collagen implant (Ologen).


District General Hospital


This prospective ongoing study included 11 eyes of 10 patients with primary open-angle glaucoma who showed progression of glaucoma with maximum medication. They underwent limbal-based trabeculectomy with subconjunctival Ologen implant between September 2012 and September 2013. No antimetabolites were used. Data pertaining to the preoperative parameters and postoperative outcomes were recorded. Each patient was followed up for at least 12 months.


The mean age of the study participants was 75+/-8.45 years. Mean preoperative intraocular pressure (IOP) was 21.82+/-5.94 mm Hg, and decreased to 10.82+/-4.38 mm Hg, 13.33+/-3.54 mm Hg, and 12.82+/-3.82 mm Hg at 3, 6, and 12 months, respectively. Mean postoperative IOP readings at all follow-up visits were significantly lower than those at preoperative levels (P<0.001). one eye required ocular hypotensive medications to lower the IOP in the postoperative period. All eyes had a diffuse elevated well-formed bleb, with the implant being visible for 6 to 9 months.


Trabeculectomy with implantation of an Ologen implant appears to offer encouraging short-term results for IOP control in eyes with primary open-angle glaucoma.

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