Diplopia often presents a difficult problem in diagnosis. The patient to be reported had diplopia followed by unilateral exophthalmos. He was considered to have endocrine exophthalmos for two years, following which a retrobulbar tumor was suspected.
Report of Case
A 29-year-old white male (UCSF No. 200924) was well until two years prior to admission. He first noted horizontal and vertical diplopia on right gaze. It was worse in the evening. He was given one grain of thyroid three times a day. This medication was continued for two years. Five months prior to admission blurred vision and increased prominence of the left eye were noted. During the next ten weeks the proptosis increased and the diplopia became more constant. A retrobulbar tumor was suspected, and he was referred to the hospital on April 8, 1952.The right eye had a visual acuity of 20/20 and was normal. The left eye vision
PETER R. D'ALENA. Primary Orbital Meningioma. Arch Ophthalmol. 1964;71(6):832–833. doi:10.1001/archopht.1964.00970010848010