Monocular Vision Loss After Ear Filler Injection.

Ophthalmic artery occlusion caused by facial hyaluronic acid filler injection has always been a rare but devastating complication. With the pursuit of beauty, people have become more interested in ears and hyaluronic acid fillers. Herein, we report the case of a more serious rare complication of ophthalmic artery occlusion caused by ear filler injection. A 45-year-old woman developed vision loss on the left side immediately after receiving cosmetic hyaluronic acid injection in the ear, with only the visual field at the inferior temporal side remaining. She was diagnosed with central retinal artery occlusion in the left eye. After treatment with hyaluronidase injection, dexamethasone, hyperbaric oxygen, and oral alprostadil, blood flow was partially restored in the left ophthalmic artery, and her vision improved. Vascular complications after ear injections are rare. However, as the demand for ear filler injections increases, the probability of serious vascular complications is predicted to increase. The potential mechanism by which occlusion occurred involved the filler reaching the superficial temporal artery system through the superior auricular artery, thus occluding the ophthalmic artery. Having an understanding of anatomy is an important measure to avoid complications.Level of Evidence IV This journal requires that authors assign a level of evidence to each article. For a full description of these evidence-based medicine ratings, please refer to the Table of contents or the online Instructions to Authors www.springer.com/00266 .

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