Hamed, L M Fixation duress in the pathogenesis of upper eyelid retraction in thyroid orbitopathy. A prospective study. [electronic resource] - Ophthalmology Sep 1994 - 1608-13 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0161-6420 Standard No.: 10.1016/s0161-6420(94)38033-x doi Subjects--Topical Terms: Diplopia--surgeryEyelid Diseases--etiologyFixation, Ocular--physiologyGraves Disease--complicationsHumansOculomotor Muscles--surgeryProspective StudiesStrabismus--complications