This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Carbohydrates, Subject name: Biochemistry
Which deposition result in cataract? 
Select and explain. 
A. Glucose, B. Galactose, C. Sugar amines, D. Sugar alcohols
D: Sugar alcohols
Answer: D: Sugar alcohols 
Explanation: Ans. D. Sugar alcohols(Ref: Harper 31/e page 191)In Diabetes mellitus, in the lens by polyol pathway Glucose converted to Sorbitol by the enzyme Aldose reductaseIn galactosemia, Dulcitol or Galactictol is responsible for cataract.Sorbitol, Dulcitol are sugar alcohols.