Myasthenia GravisDiplopiaOcular Motility DisordersPyridostigmine BromideBlepharoptosisEye ManifestationsMyasthenia Gravis, Autoimmune, ExperimentalThymectomyReceptors, CholinergicThymomaThymus NeoplasmsMyasthenia Gravis, NeonatalThymus HyperplasiaEdrophoniumAutoantibodiesCholinesterase InhibitorsOcular HypertensionEyeToxoplasmosis, Ocular