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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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Rt shoulder symptoms with nerve block on friday. Total rt arm is numb but rt eye not as open...Pupil smaller than left. Block in it tomorrow . Concerning?

Rt shoulder symptoms with nerve block on friday. Total rt arm is numb  but rt eye not as open...Pupil smaller than left. Block in it tomorrow . Concerning?

Horner's syndrome: Hi panda, you probably have horner's syndrome which is common with these types of brachial plexus block. It's not a complication but a side effect. The medication blocked sympathetic ganglion in the neck along with other nerves. It will wear off along with the arm numbness. Nothing to worry about. ...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

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How do you treat a swollen optic nerve?

How do you treat a swollen optic nerve?

Optic nerve swelling: Depends on the underlying cause. You need to see an ophthalmologist for a work-up to determine why the optic nerve is swollen. ...Read more

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What can I do for a swollen optic nerve?

What can I do for a swollen optic nerve?

Optic nerve swelling: See an ophthalmologist immediately to find out why the optic nerve is swollen. Possible causes include inflammation, high spinal fluid pressure, circulatory problems in the eye or a retinal problem. ...Read more

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How to fix an underdeveloped optic nerve?

Sorry: This is the hand you were dealt in the genetics game that starts at conception. Unfortunately, you only get one deal in the genetics game (until stem cell research leads to bigger payoffs). ...Read more

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How can I alleviate a swollen optic nerve?

Depends on cause: It really depends on why the nerve is swollen. This is a serious condition that needs to be followed by an ophthalmologist/neurologist. ...Read more

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Swollen optic nerve. I'm terrified of pain?

?optic neuritis: The description is partial, but sounds like you may have optic neuritis, and pain occurs when one moves the eye. This absolutely needs to be treated with steroids, which will speed recovery. Hopefully, you are in contact with a good ophthalmologist, but you may well need neurological consultation, as, in many cases, this is the first sign of a chronic neurological disorder. ...Read more

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What does having a raised optic nerve mean?

What does having a raised optic nerve mean?

? normal: This can be an anatomic variant of normal, but can also be a subtle sign of subclinical disease. This needs to be examined by an ophthalmologist. ...Read more

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How much conduction velocity in optic nerve?

VER: A very nice test can be done to measure the optic nerve conduction velocity. This is the visual evoked response or ver. A p100 can be measured that can be compared with the normal range for the laboratory where the testing is done. Delays in conduction can be seen in a variety of disorders, most common with the diagnosis of multiple sclerosis. ...Read more

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What does the optic nerve being raised mean?

Usually normal: This is of concern if you have neurological symptoms, usually headaches. The raised optic nerve can signify elevation intracranial pressure. Also, it can be a normal variant. Most commonly in hyperopia. ...Read more

Dr. Lonnie Smith
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