Eye problem. Eye upper lid retraction.

Sir my left eye upper lid slightly down and right eye upper lid retraction and slightly forward from November 16 .I have taken opinion of eye doctor in Dec16 , MRI OF brain and ocular Normal, TFT, sugar, Blood are normal he gave me medicine ArtGel eye drop , he said disease is idiopathic eye upper lid retraction. But I am not comfortable. I take opinion of neurologist Dr. Parul Dubey of GMC Goa Hospital. she did Ice test of left eye dropy, test positive, and other test tensil is equevocal , She suggested to CT scan of chest and anti AChR antibodies. But I admitted in Mumbai hospital .i have done CT scan of chest, blood, X-ray of chest, Anti AchR , MuSk antibodies, ECG, TFT, all are normal but ice Test is positive, doctor advised me that myasthenia disease is slightly symptoms just, it started. Doctor gave me some medicine tablet of myasthenia. Pls give your opini1.I want to ask this treatment is good and 2. What is not symptoms of thyroid ocular problem right eye upper lid retraction.