OPTIC NEURITIS LECTURE | NEET PG |

OPTIC NEURITIS

Optic neuritis is an inflammation that damages the optic nerve, a bundle of nerve fibers that transmits visual information from your eye to your brain. Pain and temporary vision loss in one eye are common symptoms of optic neuritis.

Optic neuritis is linked to multiple sclerosis (MS), a disease that causes inflammation and damage to nerves in your brain and spinal cord. Signs and symptoms of optic neuritis can be the first indication of multiple sclerosis, or they can occur later in the course of MS. Besides MS, optic neuritis can occur with other infections or immune diseases, such as lupus.
Symptoms

Optic neuritis usually affects one eye. Symptoms might include:

Pain. Most people who develop optic neuritis have eye pain that's worsened by eye movement. Sometimes the pain feels like a dull ache behind the eye.
Vision loss in one eye. Most people have at least some temporary reduction in vision, but the extent of loss varies. Noticeable vision loss usually develops over hours or days and improves over several weeks to months. Vision loss is permanent in some cases.
Visual field loss. Side vision loss can occur in any pattern.
Loss of color vision. Optic neuritis often affects color perception. You might notice that colors appear less vivid than normal.
Flashing lights. Some people with optic neuritis report seeing flashing or flickering lights with eye movements.
IT CONTAIN etiology , clinical features , diagnosis , treatment of optic neuritis

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