objective: to report a case of periocular dirofilariasis. patient and findings: a 27-year-old female referred with history of edema and redness in left eye for two days. on slit-lamp examination, a moving threadlike worm was seen in subconjunctival area. two days later a live filaria worm measuring 12 cm in length was extracted from lower lid subcutaneous tissue. the worm was diagnosed dirofila...