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A case of corneal opacity related to brimonidine Tomoko Miyakubo 1 , Daisuke Todokoro 1 , Hideo Akiyama 1 1Department of Ophthalmology, Gunma University Graduate School of Medicine pp.921-925
Published Date 2022/7/15
DOI https://doi.org/10.11477/mf.1410214439
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Abstract Purpose:Brimonidine tartrate eye drops show adverse drug reaction, including superficial punctate keratopathy, blepharitis, and follicular conjunctivitis. Recently, several cases of corneal opacity while using brimonidine eye drops have been reported. Here, we report the case of corneal opacity that occurred during treatment with glaucoma eye drops, including brimonidine.

Case:The patient was a 73-year-old woman. She was diagnosed with open-angle glaucoma in both eyes in December 2016 and treated with tafluprost, brimonidine and purified sodium hyaluronate eye drops at her local doctor. In October 2020, she noticed a right corneal opacity and was referred to our clinic. During the initial visit, hyperemia and follicular conjunctivitis were observed in both eyes. In the right eye, fan-shaped peripheral corneal opacity with corneal neovascularization was observed. Blood examination revealed no abnormality. Multiplex PCR strip test of the aqueous humor did not detect any virus, including herpes simplex virus and varicella-zoster virus. Since the corneal findings were similar to previous reports, we suspected brimonidine-induced corneal opacity and discontinued brimonidine eye drops and started betamethasone drops. Subsequently, hyperemia and follicular conjunctivitis improved in both eyes;however, corneal opacity remained.

Conclusions:We experienced this case of corneal opacity during treatment with glaucoma eye drops including brimonidine. The findings were similar to previous reports of corneal opacity caused by brimonidine. Chronic follicular conjunctivitis suggestively caused by brimonidine led to corneal neovascularization and lipid deposition in the corneal stroma.


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