Superior oblique myokymia

Common card · No. 407656

Superior oblique myokymia (SOM) is a neurological disorder affecting vision and was named by Hoyt and Keane in 1970. It is a condition that presents as repeated, brief episodes of movement, shimmering or shaking of the vision of one eye, a feeling of the eye trembling, or vertical/tilted vision. It can present as one or more of these symptoms. Diagnosis is most often made by the elimination of other conditions, disorders or diseases. Onset usually occurs in adulthood, and the cause is benign and is not commonly associated with other disorders.

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