What is Nerve palsy?
Nerve palsy is a lack of function of a nerve. Nerve palsy may cause a complete or partial weakness or paralysis of the areas served by the affected nerve. Incase a nerve palsy happens in the eye, the eye movements get affected and person sees things double. One can have a sixth, third or fourth nerve (Superior Oblique) palsy. Most common is sixth nerve palsy
What are some causes of Nerve palsy?
A nerve palsy can be congenital, traumatic, or due to vascular disease (hypertension, diabetes, strokes, aneurysms, etc). They can also be due to infections, migraines, tumors, or elevated intracranial pressure.
What are the symptoms of Nerve palsy?
3rd, 4th, 6th nerve palsies can limit eye movements and produce diplopia/ double vision.In addition to limited eye movements, a 3rd nerve palsy can also cause ptosis (droopy eyelid) or mydriasis (abnormally dilated pupil).
Is there any treatment?
Some cases may resolve spontaneously. In other cases, diplopia may be relieved with prism glasses, occlusion therapy, botulinum toxin (Botox), or surgery.