<prompt> Christmas tree cataract is seen in?DiabetesAtopic DermatitisMyotonic dystrophyRubella  <response>: Presenile cataract occurs in patients with atopic dermatitis stellate opacities mostly posterior, myotonic dystrophy christmas tree cataract and GPUT GK enzyme deficiency. Reference: A K Khurana, 5th Edition, Page 95 