This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable Diseases, Subject name: Social & Preventive Medicine
A patient develops red eye , 2 two days after an episode of Malaria Probable cause is - 
Select and explain. 
A. Conjunctivitis, B. Anterior uveitis, C. Viral keratitis, D. End ophthalmitis
C: Viral keratitis
Answer: C: Viral keratitis 
Explanation: Ans. is 'c' i.e. Viral keratitis In the clinical features of Malaria it is written "Febrile herpes is common in all malarial patients and herpes is a virus that can cause a variety of eye infection. (Keratitis is its most common eye infection).