RT Journal Article SR Electronic T1 BOOK REVIEWS JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 422 OP 423 DO 10.1136/bjo.78.5.422 VO 78 IS 5 YR 1994 UL http://bjo.bmj.com/content/78/5/422.abstract AB