Graves' disease is one of the important autoimmune thyroid diseases to cause hyperthyroidism. Symptoms of graves' disease are heartbeat, muscle weakness, disturbed sleep, and irritability. Graves' disease also affects the eyes, causing bulging eyes. The skin, heart, circulation and nervous system may be damaged by graves' disease. Eye sight is possible to be affected by graves' disease. For instance, corneal exposure or optic nerve compression, double vision are most commonly due to graves' disease. At this time, an oculist is your best choice to turn to for help.