<prompt> Ectopia lentis is seen in all of the following except: March 2007Marfans syndromeHomocystinuriaWeil-Marchesani syndromeDown syndrome  <response>: Ans. D: Down syndrome Ectopia lentis is a displacement or malposition of the eyes crystalline lens from its normal location. More common: Marf an syndrome Homocystinuria Weil-Marchesani syndrome Sulfite oxidase deficiency Hyperlysinemia Less common: Ehlers-Danlos syndrome Crouzon disease Refsum syndrome Sturge-Weber syndrome Pierre Robin syndrome 