This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Conjunctiva, Subject name: Ophthalmology
[{'content': 'Target diseases under VISION 2020 include \nSelect and explain. \nA. Trachoma, B. Onchocerciasis, C. Refractive errors, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Target diseases identified for intervention under 'Vision 2020' initiative in India include: \x01 1) Cataract, 2)\x01 Childhood blindness, 3)\x01 Refractive errors and low vision, 4)\x01 Corneal blindness, 5)\x01 Diabetic retinopathy, 6)\x01 Glaucoma, and 7)\x01 Trachoma (focal). Reference :- A K KHURANA 7th edition ; page-451", 'role': 'assistant'}]