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Abstract
Few reports have discussed long-term outcomes of muscle transposition procedures. In this study, cases with abducens palsy treated with a muscle transposition procedure were followed for 12, 25, or 26 years. The preoperative alignments were esotropia of 65 degrees, 47 prism dioptres (PD), and 24 PD, respectively. Orthophoria was postoperatively achieved in all cases. The postoperative alignment in one case deteriorated at 8 years postoperatively, although orthophoria were maintained in the other two cases. These findings indicate that it is possible that esotropia can recur even though orthophoria was maintained for several years postoperatively in some cases that underwent a muscle transposition procedure.
Acknowledgements
Supported in part by a grant from the Ministry of Education, Culture, Sports, Science and Technology of Japan (no. 21592255) and a grant from the Ministry of Health, Labour and Welfare.
Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.