The optic nerve (also known as cranial nerve II) is a continuation of the axons of the ganglion cells in the retina. There are approximately 1.1 million nerve cells in each optic nerve. ... The condition usually is bilateral, the nerve head is very elevated and swollen, and pupil response typically is normal.
www.tedmontgomery.com/the_eye/optcnrve.html
Ophthalmoscopic examination reveals engorged and tortuous retinal veins, a hyperemic and swollen optic disk (optic nerve head), and retinal hemorrhages around the disk but not into the retinal periphery.
www.merck.com/mmpe/sec09/ch107/ch107e.html
Optic neuritis refers to swelling or inflammation of the optic nerve. ... Optic neuritis refers to swelling or inflammation of the optic nerve. It is often associated with diseases causing demyelination (a loss of the protective myelin layer of the the nerve) of the optic nerve, but sometimes the cause is unknown.
www.stlukeseye.com/conditions/opticneuritis.asp www.stlukeseye.com/conditions/opticneuritis.asp
If some or all of the nerve fibers become inflamed and do not function properly, vision becomes blurred. With optic neuritis, the optic nerve becomes swollen and the nerve fibers do not work properly. Vision can range from near normal to very poor depending on the number of inflamed nerve fibers.
www.naturaleyecare.com/diseases.asp?d_num=30
One other note, may or may not be important, 2x's in the past year I have woke up to find my right eye swollen (lid) and it would be that way all day. My main concern is this optic nerve swelling, isnt that sign of MS?
www.medhelp.org/forums/eyecare/archive/720.html
Allergies; Itchy, red, swollen, tearing eyes may mean ... Glaucoma damages the optic nerve and diminishes the field of vision. Learn about glaucoma causes, eye drops for glaucoma, narrow-angle glaucoma, primary open-angle glaucoma and glaucoma surgery. See also: Eye Doctor Q&A | Glaucoma News & Research | Glaucoma FAQ...
www.allaboutvision.com/conditions/
Optic neuritis is defined as inflammation of the optic nerve. ... The Uhthoff symptom, described as exercise- or heat-induced vision loss, may occur and has been described in 50% of patients with isolated optic neuritis. Physical examination findings may include an afferent pupillary defect and a swollen optic disc.
www.emedicine.com/radio/topic488.htm
Top questions and answers about Swollen-Optic-Nerve. Find 6 questions and answers about Swollen-Optic-Nerve at Ask.com Read more. ... Why is my optic nerve swollen?
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Increase in eye pressure causes destruction of the delicate nerve fibers. This is seen as an increase in cupping of the optic nerve. The visual fields become constricted and blindness can result. ... Since the Optic Nerve is connected to the brain, it gets swollen too. A simple Fundus Exam will help in diagnosis.
www.members.tripod.com/manisha_b/Optic_Nerve/OpticNProb... www.members.tripod.com/manisha_b/Optic_Nerve/OpticNProblems.htm
What Is It? Papilledema is the swelling of the optic nerve as it enters the back of the eye. When you have a headache ... Papilledema is the swelling of the optic nerve as it enters the back of the eye. When you have a headache or unexplained nausea and vomiting, your doctor will look into your eye with an ophthalmoscope.
www.everydayhealth.com/health-information/optic-nerve-s... www.everydayhealth.com/health-information/optic-nerve-swelling-papilledema-what-is-it.aspx