Exotropia caused by pit viper snakebite.
(Une exotropie secondaire à une morsure de vipère)


Kim HD, Jung MS, Kim SY.
Department of Ophthalmology, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, Republic of Korea.

SUMMARY: Pit viper snake venom exerts a mildly neurotoxic effect that may rarely lead to neurotoxic complications, such as paralytic strabismus. Extraocular muscles are known to be particularly susceptible to this complication. In previously reported cases, the medial rectus muscle has been the most frequently involved. We report the first case of a pit viper snakebite resulting in comitant exotropia without obvious paralytic features.


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