RT Journal Article SR Electronic T1 BOOK REVIEWS JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 634 OP 637 DO 10.1136/bjo.46.10.634 VO 46 IS 10 YR 1962 UL http://bjo.bmj.com/content/46/10/634.abstract AB