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Third or oculomotor nerve palsy
Third or oculomotor nerve palsy
by Alike Medical Team ∙ Updated on June 13, 2023
General
The third cranial nerve, or the oculomotor nerve, is a nerve that controls most of the eye movements, the upper eyelid and is responsible for pupil constriction. In third nerve palsy, the patient will not be able to maintain a normal alignment of the eyes while staring straight, causing strabismus and double vision. Oculomotor nerve palsy may be congenital or acquired- caused by vascular disorders, tumors, inflammation, infection, trauma, multiple sclerosis, autoimmune disorders such as myasthenia gravis, post-operatively and as a result of cavernous sinus thrombosis.
3 people with Third or oculomotor nerve palsy are on Alike.
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Signs & symptoms
A complete third nerve palsy causes the eye to look outward and downward. Other symptoms include ptosis, pupil dilation, double vision and torticollis.
Diagnosis
Diagnosis is based upon findings from medical history and physical examination. Further evaluation may include brain MRI, CT or angiography.
Treatment
Treatment depends on the underlying cause and if the palsy is complete or partial. The treatment of choice is usually surgical. Other treatments are given as supportive care and include closing the eyes, and botox injections.
Note
☝ We provide information on prescription and over-the-counter medicines, diagnosis, procedures and lab tests. This material is provided for educational purposes only and is not medical advice, diagnosis or treatment.
National Institutes of Health ∙ World Health Organization ∙ MedlinePluse ∙ Centers for Disease Control and Prevention
☝ All information has been reviewed by certified physicians from Alike
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