RT Journal Article SR Electronic T1 Orbital cyst and bilaterel colobomatous microphthalmos JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 1568 OP 1569 VO 92 IS 11 A1 S Hornby A1 C Gilbert YR 2008 UL http://bjo.bmj.com/content/92/11/1568.abstract AB