Purpose: To report a case of epithelial ingrowth treatment by surgical excision of epithelial tissues and intracameral 5-fluorouracil injection. Case summary: A 70-year-old female patient who underwent phacoemulsification through clear cornea incision in both eyes 2 years before, was referred for her left ocular pain and corneal edema of 3 months' duration. Diffuse sheet-like epithelium grew from the clear cornea incision site to the pupil margin lesion of the iris. The epithelial tissues were excised and 5-fluorouracil was injected intracamerally. There were no recurrences for 2 months.