Fig. 1.

Images of Case 1. (A) External photograph demonstrating severe chemosis and proptosis of the left eye. (B) Transverse orbital MRI image demonstrating diffuse preseptal and postseptal orbital inflammation, including thickening of posterior sclera and optic nerve. (C) Ultrasound B-scan of left eye demonstrating posterior vitreous detachment and “T-sign” (asterisk) showing posterior Tenon infiltration, typically associated with posterior scleritis. (D) Two weeks later, ultrasound B-scan of left eye demonstrates retinal detachment.