Ethical Statement
The study protocol adhered to the tenets of the declaration of Helsinki. The study protocol was approved by the human subject office, office of non-invasive research compliance – Eskisehir Osmangazi University (Study #:45, issue date: 27.02.2018, Eskisehir, Turkey). In this study, the patient records between 2013-2015 were obtained from the database of the department of ophthalmology, Eskisehir Osmangazi University, Eskisehir, Turkey.