<prompt> Bilateral ptosis is not seen inMarfans syndromeMyaesthenia gravisMyotonic dystrophyKearns sayre syndrome  <response>: A i.e. Marfans Syndrome Marfans Syndrome does not present with ptosis. It has bilateral subluxation of lens, retinal detachment, hypoplasia of dilator pupilae, flat cornea, axial myopia angle anomaly etc. 