This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy, Development and clinical examination, Subject name: Ophthalmology
Oil droplet cataract is seen in 
Select and explain. 
A. Diabetes, B. Galactosaemia, C. Wilson's disease, D. Marfans syndrome
B: Galactosaemia
Answer: B: Galactosaemia 
Explanation: Galactosaemic cataract It is associated with an inborn error of galactose metabolism. Galactosaemia is frequently associated with the development of bilateral cataract (oil droplet central lens opacities). The lens changes may be reversible and occurrence of cataract may be prevented if milk and milk products are eliminated from the diet when diagnosed at an early stage. Galactosemia is a disorder that affects how the body processes a simple sugar called galactose. A small amount of galactose is present in many foods. It is primarily pa of a larger sugar called lactose, which is found in all dairy products and many baby formulas Reference : Khurana; Comprehensive Ophthalmology; 4th edition; Page no: 181