Ectopia lentis in a child is seen in which of the following diseases?
b. Homocystinuria(Ref: Nelson 20/e p 326)Ectopia lentis is one of the features of Homocystinuria, where the direction of lens subluxation is infero-medial, unlike supero-lateral subluxation in Marfan syndrome.
Sarcoidosis
Homocystinuria
Alkaptonuria
Urea cycle defects
Inborn Errors of Metabolism