Typically bilatyeral inferior subluxations of the lens is seen in -: (A) Marfan's syndrome, (B) Homocystinuria, (C) Hyperinsulinemia, (D) Ocular trauma
Answer is B. In Homocystinuria there is inferomedial (inferonasal) dislocation of lens. (Ref: Khurana 7th/e p.222 & 4th/e p.202)