What Is Superior Oblique Palsy?

Superior oblique palsy (SOP) is a type of strabismus, or misalignment of the eyes, that is caused by a weakness or paralysis of the superior oblique muscle, one of the muscles that controls the movement of the eye. This can result in a variety of symptoms, including:

- Double vision (diplopia)

- Difficulty judging distances

- Tilting of the head to one side (to compensate for the misalignment)

- Eye pain or discomfort

SOP can be caused by a number of different factors, including:

- Head injuries

- Strokes

- Diabetes

- Thyroid disease

- Aneurysms

- Multiple sclerosis

- Myasthenia gravis

- Certain medications

In some cases, SOP may be present from birth (congenital SOP).

Treatment for SOP typically involves corrective lenses, prisms, or surgery. In some cases, botulinum toxin injections may be used to temporarily weaken the opposing muscles and improve eye alignment.

SOP can be a challenging condition to manage, but with proper treatment, most people are able to achieve good visual function and relief from symptoms.

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