Purpose: To report a case of lower eyelid herniation of orbital fat occurring after periocular corticosteroid injection.
Design: Interventional case report.
Methods: A 44-year-old man with asymmetrical pars planitis complicated by right cystoid macular edema was treated with multiple right orbital floor injections of triamcinolone through the lower eyelid.
Results: Right lower eyelid orbital fat herniation occurred during the course of the treatment.
Conclusion: A herniation of orbital fat may complicate the injection of corticosteroid through the lower eyelid.