“…In addition, they may become useful in providing clinical guidelines and recruiting patients for clinical trial studies. [8][9][10][11][12][13] The number, size and scope of patient registries in the field of ophthalmology have been gradually growing all around the world during the last decade. 14 A comprehensive review by Tan et al showed that a total of 85 clinical registries have been established in various fields of ophthalmology, including blindness or low vision (n = 19), corneal transplantation (n = 10), glaucoma (n = 10), cataract or refractive surgery (n = 8), retinoblastoma (n = 7), endophthalmitis or uveitis (n = 6), ocular trauma (n = 6), age-related macular degeneration (n = 5), microphthalmia or congenital ocular anomalies (n = 4), diabetic retinopathy (n = 2) and retinal detachment or macular hole (n = 2).…”