Abstract
Purpose Myasthenia gravis can cause variable strabismus with disabling diplopia and/or poor cosmesis. A retrospective study of a group of patients with myasthenia gravis or ‘myasthenia gravis like’ syndromes was made.
Methods The study group consisted of patients who had undergone botulinum toxin treatment and/or surgery for disabling diplopia, poor cosmesis or both. Surgical treatment was by conventional techniques including recess/resect, posterior fixation, superior oblique tenotomy and adjustable sutures.
Results There were 9 patients in the study group (8 female, 1 male). Age at surgery ranged from 21 to 59 years (mean 46 years). Six were symptom-free following treatment. Two, although symptomatically improved, had occasional diplopia. One patient failed treatment and required an occlusive contact lens.
Conclusions The ocular manifestations of myasthenia gravis or ‘myasthenia gravis like’ syndromes may respond to surgery and/or botulinum toxin injection. Active intervention should be considered when deviations become stable. To our knowledge this is the first report of the use of botulinum toxin in such patients.
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Bentley, C., Dawson, E. & Lee, J. Active management in patients with ocular manifestations of myasthenia gravis. Eye 15, 18–22 (2001). https://doi.org/10.1038/eye.2001.6
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DOI: https://doi.org/10.1038/eye.2001.6
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