Lack of pain Ischemic optic ... neuritis (sarcoid-, inflammatory bowel disease-, Lyme disease-, Behçet disease- or syphilis-associated), intraocular lymphoma, intraocular TB Optic nerve sheath ...

Multiple sclerosis (MS) is a chronic central nervous system (CNS) disease that affects the brain, spinal cord, and optic nerves ... the nerve cell’s myelin sheath. The nervous system comprises ...

About Acute Optic Neuritis Acute optic neuritis is a rare ... remyelination often occurs but it is incomplete. Without the myelin sheath protecting the axon, neurons located in demyelinated ...

Demyelinating diseases are a group of disorders of the nervous system that involve loss of the myelin sheath that normally surrounds the neurons. Demyelinating diseases can affect both the central ...