Journal of the Korean Ophthalmological Society 1997;38(1):172-176.
Published online January 1, 1997.
Two Cases of Correction of Excyclotorsion Remained after Harada-Ito Procedure.
Byung Moo Min, Si Hwan Choi, Yong Baek Kim, Moon Byung Cha
Department of Ophthalmology, College of Medicine, Chungnam National University, Taejon, Korea.
Harada-Ito 수술후 남은 외회선사시의 교정 2예
민병무(Byung Moo Min),최시환(Si Hwan Choi),김용백(Yong Baek Kim),차무병(Moon Byung Cha)
Authors performed horizontal transposition of superior and inferior rectus muscle in 3.0 mm, to eliminate excyclotorsion of the 5 degrees which remained after Harada-Ito procedure in two patients with superior oblique palsy. The medial and lateral edges of the proximal part of tendon were reattached at the temporally and the inferior retus nasally. This operation was performed 3 or 4 months ater Harada-Ito procedure in 2 patients, respectively. The amount of horizontal transposition was made according the degree of excyclotorsion measured by double maddox rod test. The results showed no cyclotorsion at head tilt to the right and double maddox rod test. In conclusion, the horizontal transposition of vertical rectus muscles is effective in the elimination of excyclotorsion remained after Harada-Ito procedure for superior oblique palsy.
Key Words: Excyclotorsion;Harada-Ito procedure;Horizontal transposition;Vertical rectus muscle;Superior oblique palsy

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