Inadvertent Cyclodialysis Cleft and Hypotony Following Ab-Interno Trabeculotomy Using the Trabectome Device Requiring Surgical Repair

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Abstract

Purpose:

To report the first case of inadvertent cyclodialysis cleft and hypotony requiring surgical repair following ab-interno trabeculotomy (AIT) using the Trabectome device, and the postoperative clinical results following direct suture cyclopexy.

Methods:

A 55-year-old man with hypotonous maculopathy secondary to cyclodialysis cleft inadvertently created 3 years earlier during AIT using the Trabectome device was referred for repair. Direct suture cyclopexy was performed and topical homatropine and dexamethasone drops were prescribed postoperatively.

Results:

Gonioscopic examination revealed complete cleft closure on postoperative day 1 confirmed by anterior segment optical coherence tomography. At 11 weeks postoperatively, visual acuity had improved from 20/400 to 20/40, with resolution of preoperative macular folds on fundoscopic examination. At 9 months postoperatively, visual acuity had further improved to 20/20 with intraocular pressure stable at 9 mm Hg maintained on travoprost and brimonidine.

Conclusions:

Inadvertent cyclodialysis cleft from a malpositioned AIT and resultant hypotony is rare and in this case was successfully treated by direct suture cyclopexy.

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