A 26 years old male with restriction of eye movements in all directions and moderate ptosis but with no Diplopia or squint. Diagnosis is
Ans. (b) Chronic progressive external ophthalmoplegiaRef: Kanski 7/e, p. 852Restriction of ocular movement in both eyes are symmetrical in chronic progressive external ophthalmoplegia, so there is no diplopia.
Thyroid ophthalmopathy
Chronic progressive external ophthalmoplegia
Myasthenia gravis
Multiple cranial nerve palsies
Strabismus