Original Research

Retrospective review of ocular alignment after large-angle congenital esotropia surgery

Roland Höllhumer, Bhavesh Vallabh, Trevor Carmichael
African Vision and Eye Health | Vol 74, No 1 | a99 | DOI: https://doi.org/10.4102/aveh.v74i1.99 | © 2015 Roland Höllhumer, Bhavesh Vallabh, Trevor Carmichael | This work is licensed under CC Attribution 4.0
Submitted: 10 December 2014 | Published: 17 July 2015

About the author(s)

Roland Höllhumer, Department of Ophthalmology, Division of Neurosciences, University of the Witwatersrand, South Africa
Bhavesh Vallabh, Department of Ophthalmology, Division of Neurosciences, University of the Witwatersrand, South Africa
Trevor Carmichael, Department of Ophthalmology, Division of Neurosciences, University of the Witwatersrand, South Africa


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Abstract

Objective: The study’s aims were to evaluate the success of bimedial rectus recession as a primary surgical procedure for patients with congenital esotropia; describe the demographic data of the study group; and compare surgical success with patient age at the time of surgery.

Method: A retrospective review of 52 patients with congenital esotropia ≥ 50∆ (prism dioptres) was conducted. All patients underwent bimedial rectus recession and were followed-up postoperatively for a minimum of 6 months.

Results: The study period was from January 1992 to September 2003. Fifty-two patients were included in the study group. The pre-operative angle of deviation ranged from 50∆–85∆. Patient ages ranged from 15 months to 22 years, with a mean of 5.3 years and a median of 4 years. The gender distribution was 42% male (n = 20) and 58% female (n = 28). Surgery was successful (within 10∆ of orthophoria) in 77% (n = 40), a partial success (10∆–20∆ from orthophoria) in 17% (n = 9) and a failure (> 20∆ from orthophoria) in 6% (n = 3). No statistically significant relationship was found between surgical success and patient age at the time of surgery.

Conclusion: The study confirmed that bilateral medial rectus recession, performed as a primary procedure for patients with large-angle (> 50∆) congenital esotropia, has a high success rate. This finding corresponds with the outcomes of similar international studies.


Keywords

congenital esotropia, large angle esotropia, bimedial rectus recession, South Africa

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