RT Journal Article SR Electronic T1 BOOK REVIEWS JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 430 OP 430 DO 10.1136/bjo.51.6.430 VO 51 IS 6 YR 1967 UL http://bjo.bmj.com/content/51/6/430.abstract AB