RT Journal Article SR Electronic T1 Measurement of Ocular Muscle Imbalance JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 791 OP 791 DO 10.1136/bjo.55.11.791 VO 55 IS 11 YR 1971 UL http://bjo.bmj.com/content/55/11/791.1.abstract AB