Outcome of monocular surgery for horizontal strabismus in Hyderabad
Sameen A Junejo, Munawar A Ansari
Liaquat University of Medical and Health Sciences/Jamshoro, Hyderabad-Sindh, Pakistan
Background and objective: Squint surgery is frequently performed successfully in Hyderabad. However, no study in any detail has been performed on the outcome of monocular surgery for horizontal squint in the region. This study aims to determine the results of monocular surgery for horizontal trabismus.
Design: Retrospective/observational study.
Subjects and methods: The study was conducted on patients aged under 45 years, presenting with horizontal strabismus and undergoing monocular squint surgery. Anterior segment slit lamp examination, and if possible, posterior segment examination with 90 diopter (D) and 78 D fundoscopes was performed. Angle of deviation was measured. Patients were divided into two groups (esotropia and exotropia). Investigations were performed. Surgery was done under general anesthesia. A second surgical procedure was performed after six months for any residual deviations.
Results: After squint surgery, patients in group 1 (79%) and in group 2 (73.3%) had residual deviation of less than 15 prism diopters (PD). The preoperative deviations of 60 PD or less illustrated excellent domino effects with residual deviation of fewer than 15 PD. Three patients with successive deviation underwent a second surgery with excellent outcomes.
Conclusion: Few extraocular muscles can be prevented due to monocular squint surgery when multiple surgeries are needed.
Keywords: horizontal strabismus, monocular surgery, Hyderabad
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