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Year : 2022  |  Volume : 36  |  Issue : 4  |  Page : 390-393

Acute iridocyclitis and cystoid macular edema related to kinked Hydrus® Microstent in advanced glaucoma

Spencer Center for Vision Research, Byers Eye Institute, Stanford University, Palo Alto, California, USA

Correspondence Address:
Quan D Nguyen
Spencer Center for Vision Research, Byers Eye Institute, Stanford University, 2370 Watson Court, Palo Alto, California
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sjopt.sjopt_215_21

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A 58-year-old male who underwent cataract extraction with combined intraocular lens and Hydrus® Microstent (Ivantis Inc, Irvine, CA, US) implantation 2 years ago in the right eye (OD) due to advanced glaucoma presented with blurry vision in right eye (OD) for 3 months. The visual acuity was 20/60 and slit-lamp examination indicated mild anterior chamber inflammation with unexposed, functioning tube shunt superotemporally in OD. Optical coherence tomography demonstrated cystoid macular edema (CME) with subretinal fluid. Fluorescein angiography demonstrated petaloid pattern leakage of CME. Gonioscopy revealed a kinked appearance of a Hydrus® Microstent protruding into the anterior chamber and causing iris chafing. Topical ketorolac tromethamine and prednisolone acetate were started. At the 2nd month of follow-up, the anterior chamber was quiet, and the CME resolved completely. Protruded kinked Hydrus® Microstent may lead to acute iridocyclitis and CME through iris chafing, which may be responsive to topical anti-inflammatory drops.

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