This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Conjunctiva, Subject name: Ophthalmology
Vision 2020: Right to sight by WHO targets all except: 
Select and explain. 
A. Cataract, B. Trachoma, C. Epidemic keratoconjunctivitis, D. Oncocerciasis
C: Epidemic keratoconjunctivitis
Answer: C: Epidemic keratoconjunctivitis 
Explanation: None