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: Microbiology
Infection by which of the following does not effect eye: 
Select and explain. 
A. Onchocercera, B. Trypanosoma, C. Tinea solium, D. Trichuris
D: Trichuris
Answer: D: Trichuris 
Explanation: Trichuris