Anatom3DLong ciliary nerve
Nervus ciliaris longus · Dlouhý řasnatý nerv
Nervous system
Looks like
Two or three fine branches of the nasociliary nerve that pierce the back of the eyeball.
What it does
Bring feeling from the cornea and iris and carry fibres that widen the pupil.
Keeping it well
They carry the corneal blink reflex; losing it (e.g. after shingles) risks corneal ulcers.
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