The visual acuity was 6/9 (with assisted elevation of the eyelid) on the right and 6/6 on the left. There was marked periorbital swelling, 2mm of proptosis and restricted eye movements on the right. Pupillary reactions were normal. Color vision was normal. Anterior segment examination showed marked conjunctival hyperemia and chemosis. The anterior chamber was quiet. Examination of the fundus and optic disc was normal.