There was physiological diplopia on strabismus days and binocular stereopis on orthophoria days in all 24 cases.After surgery, the eye's position was corrected in 23 cases.They had normal stereopsis.
Myasthenia gravis can affect the extraocular muscles, which control movement of the eye as well as the eyelids, so individuals might have diplopia or double vision, as well as ptosis, or drooping eyelids.
觉，斜
23
斜
无力能影响
