RT Journal Article SR Electronic T1 BOOK REVIEWS JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 381 OP 382 DO 10.1136/bjo.40.6.381 VO 40 IS 6 YR 1956 UL http://bjo.bmj.com/content/40/6/381.abstract AB