Topical ivermectin ointment treatment of Demodex blepharitis: a 6-year retrospective study.

Background: To evaluate the efficacy of topical ivermectin 1% ointment, for the treatment of Demodex blepharitis.

Methods: A retrospective study was designed to review electronic medical records of patients seen between January 2017 and December 2022, who had a diagnosis of Demodex blepharitis, treated with topical ivermectin 1% with at least 6 months of follow-up (Centro de Ojos Quilmes, Buenos Aires, Argentina). The presence of collarettes was graded from 0 to 4.