Ocular filariasis
A 35-year-old female belonging to the slum area of kendarapara district of Odisha presented to the ophthalmology outpatient department with chief complaint of severe headache, blurring of vision, redness, and lacrimation since one year in left eye. The right eye was normal. The symptoms were insidious in onset and progressive in nature. The patient was a housewife and had some pet animals like cats and dogs. On examination, conjunctival chemosis, congestion, lacrimation, and white-colored worm with wriggling movement in the anterior chamber of left eye []. Movement of the live worm was seen during slit lamp examination of the left eye. The conjunctival fornices and the cornea were normal. Ocular movement and fudoscopy of both the eyes were normal. The worm removed by paracentesis of the anterior chamber and was sent in normal saline to the department of microbiology. Under low and high power magnification, morphology of the parasite studied in wet mount as well as after staining with leishman stain. The worm was found to be approximately 40 mm in length, and 130 μm in breadth []. In the leishman-stained smear, the worm had a blunt cephalic end with slight bulging []. There was no clear demarcation of the mouthparts anteriorly. The tail end slightly curved and tapered. There was long double-walled tube with a normal lumen, which merged with the uterus []. The posterior end showed many cuticular bossing. Due to the above-mentioned typical features, the worm identified to be adult B.malayi. Immunochromatographic test (ICT) for filarial (Wuchereria bancrofti) antigen was negative. The sensitivity and specificity of ICT for filarial antigen is 96 to 100% and 95 to 100%, respectively.