RT Journal Article SR Electronic T1 Ophthalmic statistics note 13: method agreement studies in ophthalmology—please don’t carry on correlating… JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 1201 OP 1203 DO 10.1136/bjophthalmol-2018-313759 VO 103 IS 9 A1 Catey Bunce A1 Irene M Stratton A1 Andrew Elders A1 Gabriela Czanner A1 Caroline Doré A1 Nick Freemantle A1 , YR 2019 UL http://bjo.bmj.com/content/103/9/1201.abstract AB