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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

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Dr. Julian Bragg
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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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Explain the optic nerve?

Explain the optic nerve?

Visual cable: The optic nerve, the head of which is described in the back of the eye by your ophthalmologist as the disc, is the cable carrying visual information into the brain where it ends up in the occipital lobe and interpreted as vision. It contains over 1.2 million fibers as well as supporting elements.A truly amazing nerve. ...Read more

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Dr. Julian Bragg
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11 years in practice
912K people helped
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Function of the optic nerve?

Function of the optic nerve?

Optic nerve: The optic nerve carries the signal from the retina to the brain. ...Read more

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What is the optic nerve?

Optic nerve: The optic nerve is at the back of the eyeball and transmits visual information from the eye to the brain. ...Read more

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What exactly is a tilted optic nerve?

What exactly  is a tilted optic nerve?

Tilted: Most optic nerves enter the eye straight on, like a cable pushed into a styrofoam ball perpendicular to the surface. In some eyes, the optic nerve enters at an angle, leading to a tilted appearance. This occurs most commonly in nearsighted people (myopes). ...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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Dr. Julian Bragg
Board Certified
11 years in practice
912K people helped
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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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How frequently does optic nerve change etc?

Very stable: The optic nerve is a stable structure which does not spontaneously change. It can be affected by glaucoma, nervous system disease like MS and a variety of other conditions mostly uncommom. ...Read more

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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's an elevated optic nerve?

Nerve swelling: Elevated optic nerve means one which which protrudes from the optic disc in back of the eye. This may developmental, or related to eye shape, or to swelling of optic nerve. Ask your ophthalmologist to explain these possibilities to you--it's part of his/her responsibility--i.e., education, instead of baffling you with medicalese. ...Read more

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Dr. Donald Jacobson
1 doctor shared a insight

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


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Dr. Julian Bragg
Board Certified, Neurology
11 years in practice
912K people helped
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