This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
[{'content': '"Snowflakes" cataract is seen \nSelect and explain. \nA. Diabetes, B. Galectosemia, C. Trauma, D. Wilson\'s disease', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A. (Diabetes) (181 - Khurana 4th)True Diabetic Cataract - It is also called "snow- flake cataract" or "snow storm cataract". It is rare condition usually occurring in young adults due to osmotic overhydration of the lens. Initially a large number of fluid vaccoules appears underneath the anterior and posterior capsules. Which is soon following by appearance of bilateral "snow - flake white opacities in the cortex* Clasical diabetic cataract consists of snow flake cortical opacities occurring in young diabetics (166 - K)* Galectosaemic cataract - bilateral cataracts oil droplet central lens opacities*** Wilson\'s disease - "Sunflower cataracts"*** Dystrophia - myotonica - "Christmas tree" patternTreatment of advanced diabetic retinopathy include - Seal the tear and reattach the retina, vitrectomy, exophotocoagulation***', 'role': 'assistant'}]