Anatom3DSuperior branch of oculomotor nerve
Ramus superior nervi oculomotorii · Horní větev okohybného nervu
Nervous system
Looks like
The smaller upper branch of the third cranial nerve inside the eye socket.
What it does
Supplies the muscles that lift the eyelid and turn the eye upward.
Keeping it well
Damage causes a drooping lid and weak upgaze. New drooping with double vision needs prompt medical attention.
Related conditions
- Amyloidosis (AL and ATTR)
- Botulism
- Chickenpox (varicella)
- Chronic neuropathic pain
- Chronic pain syndrome
- Drooping eyelid (ptosis)
- Fibromyalgia
- Guillain-Barré syndrome
- Lyme disease
- Myasthenia gravis
- Peripheral neuropathy
- Rabies
- Restless legs syndrome
- Shingles (herpes zoster)
- Tetanus
- Vitamin B1, C and other deficiencies