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Doctor insights on: Optic Nerve Block

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What could block the optic nerve ?

What could block the optic nerve ?

Many causes: The optic nerve can be affected by trauma, infection, vascular occlusion, tumors in the optic canal or on the pituitary, or inflammatory processes like multiple sclerosis. If there is a sudden change in the vision, which is a hallmark of optic nerve dysfunction, see your ophthalmologist right away. ...Read more

Nerve (Definition)

The brain and spinal cord communicates with what is occurring in the internal organs and limbs by nerve fibers where are like electrical wires with insulation (myelin) and the "copper" (axon). Within brain and spinal cord these nerves connect to other nerves via synapses on both axons and dendrites. A nerve can carry information regarding sensations, and ...Read more


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Are there people with no optic nerve?

Are there people with no optic nerve?

Birth defect: A few are born with significant maldevelopment (mostly loss) of an eye with loss also of the optic nerve. There are many with varying degrees of optic nerve dysfunction but they of course still have a nerve. An eye with no optic nerve would be totally blind. ...Read more

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What side of your body is the optic nerve on?

What side of your body is the optic nerve on?

Both sides: There is an optic nerve carrying visual signals from each eye therefore there is one nerve on each side of the head. ...Read more

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What can thickening of the optic nerve indicate?

What can thickening of the optic nerve indicate?

Nonspecific: Hi! Lots of things to consider; what symptoms prompted you to get the scan? Any change in vision? Sinus pain or congestion? Bone pain elsewhere in your body? Headaches? Fever? I would definitely recommend close follow-up with a physician to do careful examination of your eyes and head/neck. ...Read more

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What is the definition or description of: optic nerve?

Nerve to eye: The optic nerve receives input from the retina and transmits information to the optic chasm and ultimately the occipital lobe of brain so that images can be interpreted and acted upon. ...Read more

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What happens if your optic nerve is larger than average?

What happens if your optic nerve is larger than average?

Usually nothing: Optic nerves, like other parts of our bodies, come in different sizes. If yours are congenitally large then that is how you were born and that is "normal" for you. ...Read more

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Please , my right optic nerve partially damaged .any help ?

See eye doctor: see an eye doctor there is no information can be provided on line that will replace an evaluation by a physician and proper treatment ...Read more

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What is the procedure to attach a partially severed optic nerve?

What is the procedure to attach a partially severed optic nerve?

Not possible: A severed optic nerve will not re-establish functional communication with any currently known technique or medication. It is unfortunate but will have to wait for more advances in medical research. ...Read more

Dr. Michael Kleerekoper
2 doctors shared insights

Nerve Block (Definition)

Just means injecting a nerve with a local anesthetic, like lidocaine, to temporarily cause the nerve to stop working. It's usually done in order to do a procedure painlessly, but can also be done as a therapeutic measure to rest ...Read more


Optic Nerve (Definition)

The optic nerve receives input from the retina and transmits information to the optic chasm and ultimately the occipital lobe of brain so that images can be ...Read more