Anatom3DLacrimal nerve
Nervus lacrimalis · Slzný nerv
Nervous system
Looks like
The smallest branch of the ophthalmic nerve, running along the outer wall of the eye socket to the tear gland.
What it does
Brings feeling from the outer upper lid; carries borrowed fibres that make the tear gland produce tears.
Keeping it well
Rarely injured alone; relevant in eyelid and orbital surgery.
Related conditions
- Amyloidosis (AL and ATTR)
- Botulism
- Chickenpox (varicella)
- Chronic neuropathic pain
- Chronic pain syndrome
- Cluster headache
- Cold sores (herpes simplex)
- Fibromyalgia
- Guillain-Barré syndrome
- Lyme disease
- Migraine
- Myasthenia gravis
- Peripheral neuropathy
- Rabies
- Restless legs syndrome
- Shingles (herpes zoster)
- Tetanus
- Trigeminal neuralgia
- Vitamin B1, C and other deficiencies