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[Outcome of surgery for bilateral third nerve disorder]
Kazuhiro Aoki1, Tatsushi Sakaue, Nobue Kubota
1Department of Ophthalmology, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo 173-8605, Japan.
Purpose:
To review the outcome of surgery for bilateral third nerve palsy.
Cases And Methods:
The series comprised 16 cases. The eye deviation in the primary position averaged -27.0 degrees horizontally. Surgery was aimed at bringing both eyes into alignment in the primary position by recession-resection of the horizontal muscles. Transposition of the superior oblique was performed for complete third nerve palsy. Surgery was initially performed on the nonfixating eye. The fellow eye received further surgery for residual disorders.
Results:
Within 6 months after surgery, the eye deviation in the primary position averaged -0.7 degrees horizontally. After longer follow-up, the eye deviation averaged -4.7 degrees horizontally. Postoperatively, diplopia in the primary position was absent in 11 and present in 5 cases.
Conclusion:
Surgery for bilateral third nerve paresis or palsy induced lasting cosmetic or functional improvements in the majority of cases.