This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
All of the following are given global prominence in the VISION 2020 goal, EXCEPT: 
Select and explain. 
A. Onchocerciasis, B. Cataract, C. Glaucoma, D. Refractive errors
C: Glaucoma
Answer: C: Glaucoma 
Explanation: Vision 2020: The Right to Sight Objective: It is a global initiative to eliminate avoidable blindness by the year 2020. Global target diseases include: Cataract, childhood blindness, trachoma, refractive errors & low vision & onchocerciasis. Ref: A K Khurana, 5th Edition, Page 205