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Purpose:To investigate the ocular torsion of Ⅴ patterns.Methods:Twenty-two in hospital Ⅴ patterns patients underwent bilateral inferior oblique muscles myectomy for inferior oblique overacting and hortizon recti underwent recess-resection procedure to correct hortizon devation. Objective cycloposition was assessed by fundus photograph before and 7 days after surgery in all cases. The photographs was stored in computer, and the disc-fovea angle was measured by means of drawing picture software. As well as the deviation, oblique muscle function was recorded before and after surgery.Result:Seventeen cases were bilateral ocular excyclotropia, 4 cases were monocular excyclotropia and one case was normal. The disc-fovea angle of right eyes and left eyes before operation is 15.67°±5.72° and 16.59°±6.69°. The comparisons among Ⅴ patterns and normal average showed significant differences (P<0.001). The disc-fovea angle of right eyes and left eyes after operation is 5.24°±5.87° and 7.17°±5.40°. The
Objective: To investigate the ocular torsion of Ⅴ patterns. Methods: Twenty-two in hospital Ⅴ patterns patients underwent bilateral inferior oblique young myectomy for inferior oblique overacting and hortizon recti underwent recess-resection procedure to correct hortizon devation. Objective cycloposition was assessed by fundus photograph before and 7 days after surgery in all cases. The photographs was stored in computer, and the disc-fovea angle was measured by means of drawing picture software. As well as the deviation, oblique muscle function was recorded before and after surgery. Result The seventeen cases were bilateral ocular excyclotropia, 4 cases were monocular excyclotropia and one case was normal. The disc-fovea angle of right eyes and left eyes before operation was 15.67 ° ± 5.72 ° and 16.59 ° ± 6.69 °. The comparisons among Ⅴ patterns (P <0.001). The disc-fovea angle of right eyes and left eyes after operation was 5.24 ° ± 5.87 ° an d 7.17 ° ± 5.40 °