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Botulinum injection into the fixating eye for acquired comitant esotropia Makiko Ui 1,2,3,4 , Satomi Orikasa 1 , Yoshiko Okajima 1 , Tatsuya Imai 1 , Soichiro Inokuchi 1 , Takuto Sakono 1 , Misako Sato 1 , Tetsuro Kato 1 , Takashi Negishi 4 1Department of Ophthalmology, Yokohama Rosai Hospital 2Department of Ophthalmology, The University of Tokyo 3Department of Ophthalmology, National Center for Child Health and Development 4Department of Ophthalmology, Juntendo University Faculty of Medicine pp.939-945
Published Date 2019/7/15
DOI https://doi.org/10.11477/mf.1410213208
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Abstract Background:To evaluate Botulinum injection into the fixating eye for acquired comitant esotropia(including convergence spasm suspect)which is excluded paralytic strabismus.

Subjects and Methods:The medical records of eight patients with acquired comitant esotropia(seven males and one female, average age of 28.0±14.2)who received Botulinum injection into medial rectus muscle at Yokohama Rosai Hospital from August 2016 to August 2018 were reviewed. Injections were divided into the strabismus eye injections group and the fixating eye injections group. Angle of deviation, stereoacuity, ocular alignment, percentage of abnormal head posture and complications at one month of injections were analyzed.

Results:There were 9 injections in the strabismus eye injections group and 10 injections in the fixating eye injections group. Angle of deviation before injections was not significantly different(31.9±10.2Δ vs 32.6±8.2Δ, p=0.83). Angle of deviation after injections was not significantly different(5.4±9.5Δ vs 11.6±14.2Δ, p=0.41). Median stereoacuity was 100 arcsec and 40 arcsec respectively, and the rate of stereoacuity no more than 50 arcsec was significantly high in fixating eye injections group(22.2% vs 90%, p=0.003). The rate of phoria at far distance was not significantly different(55.6% vs 60%, p=0.845), while the rate of phoria at near distance was significantly high in the fixating eye injections group(55.6% vs 100%, p=0.018). Percentage of abnormal head posture was significantly low in fixating eye injections group(44.4% vs 0%, p=0.018). Percentage of transient ptosis as complication of injections was not significantly different(44.4% vs 30%, p=0.515).

Conclusions:There were no serious complications by Botulinum injections into the fixating eye. Early recovery of binocular function and disappearance of diplopia is expected by Botulinum injections into the fixating eye.


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

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