Abstract
Purpose :
To evaluate the long-term efficacy of slanted lateral rectus (LR) recession in reducing distance and near exodeviation and near-distance deviation difference in intermittent exotropia (IXT) with convergence insufficiency in children.
Methods :
The medical records of 53 patients with convergence insufficiency IXT who underwent slanted bilateral LR recession by a single surgeon (SJL) and were followed up for more than 12 months were retrospectively analyzed. Deviation angles at 1 day, 1 week, 1 month, 3 months, 6 months, and 12 months postoperatively and on the last visit were reviewed. Surgical success was defined as postoperative residual distance and near deviation angles of ≤ 8 prism diopters (PD), and a difference between the near and distance angles of ≤ 8 PD.
Results :
The mean duration of follow-up was 24 months (range, 12–61 months). On the last visit, the residual deviation angles were ≤ 8 PD in 75.5% for distance, 62.3% for near, and 81.1% for the near-distance difference.
Surgical success was achieved in 31 (58.5%) patients, and none of them manifested limitations in eye movements or diplopia at the last follow-up visit.
Conclusions :
Slanted LR recession is an effective surgical method for reducing distance and near exodeviation and near-distance deviation difference in IXT with convergence insufficiency.
This abstract was presented at the 2019 ARVO Annual Meeting, held in Vancouver, Canada, April 28 - May 2, 2019.