Cause - genetic HLA related-autoimmune .Myasthenia gravis also results as a paraneoplastic phenomenon.In bronchogeneic carcinoma the immunological factors produced by the tumour destroys acetlye choline in synapse.
Myasthenia gravis is seen in infants also,the degree of manifestation of this disease vary from mild to severe form.
Weakness of muscles of eyes,limbs ,respiratory etc. ocular muscle weakness is most prominent.leads to ptosis,ophthalmoplegia[paralysis of eye muscles]
weakness &fatigue of muscles on exercise and relief from rest for a short time.
Diagnosis is clinical.presence of acetyl choline antibodies in serum confirms
emg studies show altered patterns
Homoeopathic medicines for weakness of eye muscles-onosmodium,ruta,physostigma