Myasthenia gravis is a chronic, autoimmune, neuromuscular disease characterized by varying degrees of muscle weakness. It is caused by a defect in the transmission of nerve impulses to muscles. Muscles that control eye and eyelid movements are often involved.
Droopy eyelids and double vision that appear or worsen as the day progresses
Medications to improve neuromuscular transmission and muscular strength, or to suppress the production of abnormal antibodies; in certain patients, thymectomy, the surgical removal of the thymus gland, or plasmapheresis, a procedure to remove abnormal antibodies from the blood