Upper Eyelid Retraction: An Atypical Sign of Orbital Conjunctival Inclusion Cyst.

Orbital conjunctival inclusion cysts are uncommon lesions that may develop as congenital choristomatous rests or as a result of traumatic or iatrogenic implantation of conjunctival epithelium. Depending on their size and location, they can be asymptomatic or cause proptosis, diplopia, mechanical ptosis, and ocular motility disturbances. We report a rare case of a 63-year-old female patient who developed marked upper eyelid retraction due to a conjunctival inclusion cyst associated with a retinal detachment procedure performed 20 years before presentation. A literature review did not disclose any case of upper eyelid retraction associated with orbital conjunctival inclusion cysts.