Journal of the Korean Ophthalmological Society 1997;38(2):302-307.
Published online February 1, 1997.
The Effect of Anterior Transposition with J-Deformity for Overaction of the Inferior Oblique Muscle.
H Nam, J M Yoo
Department of ophthalmology College of Medicine GyenogsangNational University.
하사근 기능항진에 대한 J-병형 하사근 전치술의 효과
남희(Nam H),유지명(Yoo J.M)
Abstract
Among 21 eyes of 15 patients with overaction more than +3 of the inferior oblique muscle, the author anterior transposed the inferior oblique muscle at a point of lateral end or 1mm posterior to nferior rectus insertion and inferior of lateral rectus. Attached insertion site of inferior oblique muscle was parallel with limbus and formed J-deformity. Postoperatively, overaction of the inferior oblique muscle was disappeared in 18 eyes(85.7%) and +1 overaction of inferior oblique muscle was remained in 3 eyes(14.3%). Among 6 cases combined with DVD(dissociated vertical deviation), DVD was disappeared in 3 cases and imporved in 3 cases postoperatively. There were no complications like adherence syndrome, limitation of upward or downward gaze. In the cases with anterior transposition in only one eye, an overaction of inferior oblique muscle was not newly developed or aggravated in the fellow eye. It appears that this anterior transposition of the inferior oblique muscle is effective weakening procedure for the treatment of the overaction more than +3 of the inferior oblique muscle, especially in the cases combined with-DVD.
Key Words: Anterior transposition;J-deformity;Overaction of inferior oblique


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