Strabismus and its Types in Children of Age 6 to 15 Years Presenting at A Public Sector Hospital of Karachi

Abstract

Objective: To determine the frequency and types of strabismus in children aged 6-15 years\xa0presenting at tertiary eye care Hospital, Karachi. \nMethods: A prospective observational study was conducted from January to April 2018 at\xa0Department of Ophthalmology, Dow University Hospital, Karachi, Pakistan. All consecutive\xa0children suspected for strabismus referred to the Orthoptic clinic having 6-15 years of age of\xa0either gender without having strabismus surgery were enrolled. The vision of children, angle of\xa0deviation, types of strabismus with its diagnosis were assessed. The cover test and Hirschberg\xa0test were performed for the evaluation of strabismus. The presence of deviation of corneal \nResuits: Out of 1400 children, 87 (6.21%) children were found with strabismus. Amongst these\xa087 strabismus patieClose Panelnts, 46 (53%) were females and 41 (47%) were males. True strabismus was\xa0observed in 74 (85.1%) patients. Comitant Esotropia was found to be higher, i.e. 40 (58%). Most of\xa0the children had greater than 6/12 distance visual acuity of both right eye (n=48, 55.2%) and left\xa0eye (n= 57, 65.5%). Similarly, greater than N10 near visual acuity of both right eye (n= 63, 72.4%)\xa0and left eye (n=65, 74.7%) was also found higher.\xa0\xa0 \nConclusion: The frequency of true strabismus was found higher among children referred to the\xa0Orthoptic clinic. In particular, concomitant Esotropia was the most common type of strabismus