RT Journal Article SR Electronic T1 Ophthalmic Benefit and Clinics JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 213 OP 214 DO 10.1136/bjo.12.4.213 VO 12 IS 4 YR 1928 UL http://bjo.bmj.com/content/12/4/213.abstract AB