RT Journal Article SR Electronic T1 COLOBOMA AT THE MACULA (BOTH EYES) JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 97 OP 99 DO 10.1136/bjo.11.3.97 VO 11 IS 3 A1 Ernest Clarke YR 1927 UL http://bjo.bmj.com/content/11/3/97.abstract AB