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Surgical results for incyclotorsion Miho Kondo 1 , Akiko Kimura 1 , Mana Okamoto 1 , Youichi Okita 1 , Fumi Gomi 1 1Department of Ophthalmology, Hyogo College of Medicine Hospital pp.985-990
Published Date 2020/8/15
DOI https://doi.org/10.11477/mf.1410213644
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Abstract Purpose:To report the characteristics and surgical outcomes in patients with incyclotorsion.

Subjects and methods:Twenty-nine patients(median age at surgery:58 years)who underwent strabismus surgery to correct incyclotorsion at Hyogo College of Medicine Hospital over a decade from 2009 were recruited. Incyclotorsion was measured by major amblyoscope and stereopsis was measured by Titmus Stereo Test. We investigated the backgrounds and surgical outcomes for patients with incyclotorsion.

Results:The causative diseases included oculomotor palsy in 7 cases, myogenic strabismus in 5 cases, myasthenia graves in 4 cases, adhesive strabismus in 4 cases, constant exotropia after cataract surgery in 3 cases, congenital strabismus in 2 cases, blowout fracture in 1 case, and unknown in 3 cases. Preoperatively, incyclotorsion was on average 9.5±4.5°, and 26 cases were complicated with exotropia and 15 cases with vertical deviation of over 10 PD. Stereopsis showed Fly(−)in 23 cases(79.3%). Temporal transposition of inferior rectus was performed in 11 cases(bilateral:1 case), nasal transposition of superior rectus in 9 cases(bilateral:1 case), vertical muscle horizontal transposition in 2 cases and vertical transposition of horizontal muscles in 7 cases. Postoperatively, incyclotorsion decreased significantly with an average of 2.0±3.2°(p=0.0020)and stereopsis improved in Fly(−)in 8 cases. Diplopia was present in 27 cases preoperatively, and eliminated in 22 cases(81.5%)after surgery. Diplopia remained in 5 cases(18.5%), including 4 cases of oculomotor palsy.

Conclusion:Oculomotor palsy was a major cause of strabismus with incyclotorsion. Horizontal transposition of vertical rectus muscle was effective to correct incyclotorsion.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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