NMOSD impacts the eyes, spinal cord, and brain. It is a rare autoimmune neurological disorder that can cause severe disabilities such as blindness and paralysis. It often coexists with other autoimmune diseases such as lupus, Sjogren’s syndrome, or rheumatoid arthritis. Neuromyelitis Optica Spectrum Disorder (NMOSD) is a debilitating autoimmune disorder that affects the optic nerves,...