Infectious scleritis after pars plana vitrectomy because of methicillin-resistant Staphylococcus aureus resistant to fourth-generation fluoroquinolones.

Purpose: To describe a case of infectious scleritis caused by methicillin-resistant Staphylococcus aureus (MRSA) after pars plana vitrectomy despite treatment with topical fourth-generation fluoroquinolones.

Methods: Single interventional case report.

Results: A 72-year-old man presented with scleral thinning and subconjunctival abscess 1 month after pars plana vitrectomy.