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Intermittent esotropia associated with rippling muscle disease
G S Kosmorsky1, N Mehta, H Mitsumoto
1Department of Neurology, Cleveland Clinic Foundation, OH 44195-5024, USA.
Purpose:
We report a rare myopathy known as rippling muscle disease, with the unique feature of extraocular muscle involvement, presenting as a variable esotropia.
Methods:
Chart review with a review of the literature.
Results:
Neurologic and neuro-ophthalmic examinations as well as electromyography and muscle biopsy confirm that this case closely resembles those described in the literature with the additional feature of a variable esotropia.
Conclusion:
Rippling muscle disease may be associated with intermittent esotropia. The pathophysiology of this disorder is unknown, but the intermittent esotropia is likely related to "rippling" of the medial recti.