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Doctor insights on: Swelling Of The Optic Nerve

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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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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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Can a pinched sural nerve cause swelling in the lower part of the affected leg?

Can a pinched sural nerve cause swelling in the lower part of the affected leg?

Sural nerve: the sural nerve is a sensory nerve only-transmits sensation from the skin on the outside of the foot and ankle. It is unusual for it to be pinched and would be an unlikely cause of swelling. ...Read more

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Optic nerve damage in the eye?

Optic nerve damage in the eye?

Optic nerves: A thorough exam can help determine the extent of the damage in many cases along with visual field and oct testing. A neuroophthalmic exam may be required in addition to an MRI or ct scan in some cases. ...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's the inflammation of the root of a spinal nerve called?

What's the inflammation of the root of a spinal nerve called?

Radiculitis.: Radiculitis refers to inflammation of the nerve root. A more general term for any problem with spinal nerve roots (including compression) is radiculopathy. ...Read more

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What is the inflammation of the root of a spinal nerve?

What is the inflammation of the root of a spinal nerve?

see below: A spinal nerve (root) is a large nerve bundle that leaves the spine at regular intervals, right and left. Inflammation can occur anywhere in the body. Think of a bee sting, with pain, swelling and sensitivity. Inflammation of the nerve root, causes pain close to the spine, and along the route of the nerve. Epidural steroid injections are sometimes used to place anti-inflammatories into the spine. ...Read more

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Can optic neuritis possibly cause protrusion of the affected eye?

Can optic neuritis possibly cause protrusion of the affected eye?

No : Unilateral exophthalmos, protrusion of one eye, is most likely a result of thyroid disease. Other causes include inflammation ANS infection of tissues or sinuses around the eye and rarely tumors of the tissues around the eye, the optic nerve and the eye. ...Read more

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What are the functions of the optic nerve, the retina, the iris, the cornea, and the pupil?

What are the functions of the optic nerve, the retina, the iris, the cornea, and the pupil?

The visual pathway: Light passes through the cornea, which is the front "windshield" of the eye and helps focus the light. The iris works as a muscle to increase or decrease the size of the pupil; this controls how much light comes into the eye. Light hits the retina, which converts the light into signals which are sent, via the optic nerve, to your brain. ...Read more

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What are the main causes of optic nerve damage.

What are the main causes of optic nerve damage.

see details: Multiple sclerosis is a common cause. Other causes include trauma, infection, emboli (blood clots), vascultis or infarctions. ...Read more

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What is the risk of sciatic nerve injury?

What is the risk of sciatic nerve injury?

It depends: The sciatic nerve could injured with disc rupture or herniated, or could be injured as complication of fracture or dislocation or direct injury by sharp object and some time when doing certain producers. The most common is by disc injury. ...Read more

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What are the causes of damage to the ulnar nerve from surgery?

What are the causes of damage to the ulnar nerve from surgery?

Often compression: During surgery, the arms and legs must be arranged in a fashion to prevent compression of the nerves. Since anesthetics are used during surgery, the arms and the legs can compress themselves if the surgery is a decent length. When nerves are compressed, numbness and weakness may follow. Stretching also may occur during surgery, this may also result in mild damage. ...Read more

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What is a posterior subcapsular cataract and ischemia of the optic nerve?

What is a posterior subcapsular cataract and ischemia of the optic nerve?

2 different things: There are many types of cataract. Posterior subcapsular cataract refers to cloudiness on the back part of the lens just under the capsule. This may be caused by injury, steroids, elevated blood sugar and aging. Ischemia of the optic nerve means that there is or was an episode of poor blood flow to the nerve which may result in vision loss. ...Read more

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What is a posterior subcapsular cataract and ischemia of the optic nerve?

What is a posterior subcapsular cataract and ischemia of the optic nerve?

2 different things: Posterior subcapsular cataract is a change in the lens transparency from deposits and alteration of the back capsule of the lens. Ischemia of the optic nerve is deficiency of the blood supply to the main nerve of sight with loss of vision. ...Read more

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How to relieve ritation of the lateral femoral cutaneous nerve\u0026#41; or central -- disc irritation of a nerve at the spinal cord at home?

How to relieve ritation of the lateral femoral cutaneous nerve\u0026#41; or central -- disc irritation of a nerve at the spinal cord at home?

Please clarify: I'm sorry, it is not clear from your question whether you have meralgia paresthetica from irritation of the lateral femoral cutaneous nerve or some kind of radiculopathy i.e. Nerve root irritation. Furthermore, what is the cause of this "irritation"? It's a basic principle of medicine that ailments are treated by addressing the cause. ...Read more

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Please describe the nature of the "nerve damage" in diabetic neuropathy?

Please describe the nature of the "nerve damage" in diabetic neuropathy?

Important question: We feel that the diabetic nerve complications involve blood flow in the small vessels that subserve peripheral nerve function, and thereby damage the central axon function which results in an axonal neuropathy. In general, the nerve problems do not readiliy respond to the usual basic diabetes drugs, but may benefit from a medical food metanx. ...Read more

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Dr. David Schleimer
1,498 doctors shared insights

Swelling (Definition)

Swelling is the enlargement of organs, skin, or other body parts. It is caused by a buildup of fluid in the tissues. The extra fluid can lead to a rapid increase in weight over a short period of time (days to weeks). Swelling can occur all over the body (generalized) or only in one part ...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