Bilateral ptosis is not seen in:: (A) Marfan's syndrome, (B) Myaesthenia gravis, (C) Myotonic dystrophy, (D) Kearns sayre syndrome
Answer is A. Ptosis does not occur in Marfans syndrome. Ref: Management of Genetic Syndrome By Suzanne B, 3rd Edition, Page 509 ; Clinical Ophthalmology By Kanski, 3rd Edition, Page 493 and 4th Edition, Page 180-1, 376-77 3. Comprehensive Ophthalmology By A K Khurana, 4th Edition, Page 202