• Yuqiu Zhang.
• Department of Ophthalmology, The Second Hospital of Lanzhou University, Lanzhou, China.
• Medicine (Baltimore). 2023 Dec 15; 102 (50): e36574e36574.

BackgroundTo report a case of endophthalmitis in a silicone oil (SO)-filled eye associated with Staphylococcus cohnii. After vitrectomy, the environment for bacterial growth in the eye is removed, and SO has antibacterial effect on a variety of microorganisms. Endophthalmitis is seen in about 0.040% cases after pars plana vitrectomy and is even more uncommon in cases where SO is used.MethodsThe patient was diagnosed as endophthalmitis and admitted to our hospital for emergency. The main concern is if intraocular infection can be controlled and the visual prognosis. In this case, multiple intravitreal antibiotics injection and anterior chamber washout were performed. Not only that, phacoemulsification was performed.ResultsHypopyon became less after 3 operations were performed. The infection was under control finally.ConclusionTo the best of our knowledge, it is the first report of S. cohnii endophthalmitis in an SO-filled globe of an middle-aged patient. It is important to treat infective endophthalmitis with antibiotics promptly. Delayed therapy may affect the visual prognosis.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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