An assessment of surgical outcome with the influencing factors of horizontal strabismus surgery

Authors

DOI:

https://doi.org/10.3126/ajms.v8i5.17634

Keywords:

Strabismus, Strabismus surgery, Binocular vision

Abstract

Background: Influencing factors of conventional horizontal surgery for surgical outcome has not been assessed in Nepal. Aims and Objective: To assess the pre-operative factors that influences the surgical outcome of horizontal strabismus surgery.

Materials and Methods: The medical records of 68 patients who underwent their first horizontal strabismus surgery at Lumbini Eye Institute from 1st January to 30th December 2015 were retrospectively reviewed. The collected clinical data included diagnosis, age group, visual acuity, binocular function, extraocular motility and pre and postoperative deviation. The success of surgery was defined by eye deviation less than 10 prism diopters (PD) at 6 weeks after operation. The influencing factors for surgical success (diagnosis, age group, visual acuity, binocular function, and angle deviations) were analyzed using chi square test and Mann-Whitney - U test, where ever appropriate.

Results: Out of 113 patients who underwent strabismus surgery during the year, 68 patients were enrolled in the study. Majority of the patients (27, 39.7%) were >9 years of age and 52.9% were female. Thirty seven patients (54.4%) were esotropic whereas, 31 were exotropic. Preoperatively, angle of deviation ranged from 20 to 90 PD with binocular vision present in 57.4% cases. Overall, success was seen in 26 patients (38.2%). Pre-operative angle of deviation and binocular vision had statistical significance with surgical success (p = 0.012 and 0.026 respectively).

Conclusion: Larger angle of deviation and poor binocular vision at presentation has higher failure rate for horizontal strabismus surgery.

Asian Journal of Medical Sciences Vol.8(5) 2017 54-57

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Author Biographies

Saraswati Pandey, Pediatric Ophthalmologist, Department of Pediatric Ophthalmology and Strabismus, Lumbini Eye Institute, Bhairahawa, Nepal

Pediatric Ophthalmologist, Department of pediatric ophthalmology and Strabismus

Araniko Pandey, Ophthalmologist, Lumbini Eye Institute, Bhairahawa, Nepal

Ophthalmologist, Lumbini Eye Institute

Kabindra Bajracharya, Assistant Professor and Pediatric Ophthalmologist, Department of Pediatric Ophthalmology and Strabismus, Lumbini Eye Institute, Bhairahawa, Nepal

Department of Pediatric Ophthalmology and Strabismus, Pediatric Ophthalmologist and  Assistant Professor

Hari B Thapa, Optometrist, Department of Pediatric Ophthalmology and Strabismus, Lumbini Eye Institute, Bhairahawa, Nepal

Optometrist, Lumbini Eye Institute

Shakti Shrestha, Assistant Professor, Department of Pharmacy, Shree Medical and Technical College, Bharatpur, Nepal

Assistant Professor, Department of pharmacy

Arjun M Bhari, Pediatric Ophthalmologist, Department of Pediatric Ophthalmology and Strabismus, Lumbini Eye Institute, Bhairahawa, Nepal

Pediatric Ophthalmologist

Salma KC Rai, Professor and Pediatric Ophthalmologist, Department of Pediatric Ophthalmology and Strabismus, Lumbini Eye Institute, Bhairahawa, Nepal

Professor and Pediatric Ophthalmologist

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Published

2017-08-31

How to Cite

Pandey, S., Pandey, A., Bajracharya, K., Thapa, H. B., Shrestha, S., Bhari, A. M., & Rai, S. K. (2017). An assessment of surgical outcome with the influencing factors of horizontal strabismus surgery. Asian Journal of Medical Sciences, 8(5), 54–57. https://doi.org/10.3126/ajms.v8i5.17634

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Original Articles