RT Journal Article SR Electronic T1 BOOK REVIEWS JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 72 OP 72 DO 10.1136/bjo.51.1.72 VO 51 IS 1 YR 1967 UL http://bjo.bmj.com/content/51/1/72.abstract AB