The Value of Fusional Convergence Amplitudes in Esodeviation Surgery Without Adjustable Sutures

Journal of Pediatric Ophthalmology and Strabismus
Anu MaudgilJ P Burke

Abstract

To explore the application of preoperative fusional convergence amplitudes in the selection of a target angle for non-adjustable suture strabismus surgery with deteriorated intermittent esotropia and diplopia. Thirty-one consecutive cases of presumed acquired non-accommodative, deteriorated intermittent esotropia managed surgically between 2005 and 2016 were reviewed retrospectively. For each individual, a target angle (deviation angle for which surgery was based) was selected preoperatively after analysis of fusional convergence amplitudes. Outcomes in patients selected for overcorrection at 6 meters (target angle > angle in primary position at 6 meters) were compared to those who had planned surgery based on a target angle that did not exceed their measured angle (target angle ≤ angle in primary position) at 6 meters. All 31 patients achieved binocular single vision in primary position at both near and 6 meters without prisms, orthoptic therapy, or additional surgery at 4 to 6 months postoperatively. Greater mean correction in the target angle > angle in primary position group compared to the target angle ≤ angle in primary position group was observed, but this difference was not statistically significant (P = .57). Among thi...Continue Reading

References

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