Unilateral acute conjunctivitis due to Oestrus ovis in a veterinary doctor
A 25-year-old female veterinary doctor came to our outpatient department in April 2012 with a 2-day history of foreign body sensation, burning, and excessive watering from her left eye. She gave a history of something falling in her eye while she was working in her outpatient department. She was absolutely fine before that and had no significant ocular or medical history.\nThe visual acuity was 20/20 in both eyes. Eyelids of the affected right eye were absolutely normal. The conjunctiva was congested with profuse lacrimation. Extra-ocular movements were full and free in all directions of gaze. On slit lamp examination there was the presence of tiny translucent larvae, 1-2 mm in size with dark heads, crawling over the bulbar conjunctiva. The larvae were photosensitive and tended to move toward the fornix under slit lamp illumination. Cornea was not involved. Pupillary reaction was normal. After topical Lidocaine 4% drops about three larvae were removed with the help of cotton swab sticks and fine plane forceps. The organisms were placed in normal saline for identification. The anterior chamber was quiet. Direct and indirect ophthalmoscopy showed no evidence of intraocular organisms or inflammation. Examination of her left eye was normal. Topical moxifloxacin eye drops 0.5% for six times a day was prescribed. When the patient came for a follow-up 2 days later, she was completely relieved of her symptoms of foreign body sensation and excessive watering. Slit lamp examination of the anterior segment and fundus was normal. Her vision was 20/20 and she was asked to stop all medication. The larvae mounted on a microscopic slide were examined carefully and photographed under a microscope. They were segmented and had two large dark oral hooks, connected to a white cephalopharyngeal skeleton. The body was translucent [].