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.