<prompt> Megalocornea is associated with AE -Down syndromeTurner syndromeMarfan syndromeEhler danlos syndrome  <response>: Megalocornea is labelled when thehorizontal diameter of cornea is of adult size at bihor 13 mm or greater after the age of 2 years. The corneais usually clear with normal thickness and vision. Thecondition is not progressive. Systemic associationinclude Marfans, Ape, Ehlers Danlos and Downsyndromes. REF:Comprehensive ophthalmology,20th edition,AK Khurana,pg no.91. 