Risk factors for esotropia reoperation revealed
Underaction of the lateral rectus muscle could be a risk factor for reoperation of congenital esostropia, claims an investigation in the Journal of Pediatric Ophthalmology and Strabismus.
Underaction of the lateral rectus muscle could be a risk factor for reoperation of congenital esostropia, claims an investigation in the Journal of Pediatric Ophthalmology and Strabismus.
Dr Z. Rajavi et al., Ophthalmic Research Centre, Shahid Beheshti University of Medical Sciences, Tehran, Iran, conducted a study on 157 children with congenital esotropia, who were divided into two groups after a minimum of one operation. The patients included those with a deviation greater than 10 PD or a history of reoperation.
Risk factors such as age at first operation and primary congenital esotropia of less than 30 or more than 50 PD inferior oblique muscle overaction, dissociated vertical deviation, lateral rectus muscle underaction, and A-V pattern with reoperation were recorded.
Reoperation was required in 32.4% of children who presented with residual esotrpia greater than 15 PD after the three-month follow-up. Congenital esotropia greater than 30 PD and lateral rectus muscle underaction of −1 to −2 were statistically different between the two groups and were found to be risk factors of reoperation.
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