This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cornea and sclera, Subject name: Ophthalmology
Topical antifungal used in corneal fungal infection - 
Select and explain. 
A. Silver sulfadiazine, B. Neomycin, C. Natamycin, D. Griseofulvin
C: Natamycin
Answer: C: Natamycin 
Explanation: Topical antifungal eyedrops should be used for long period(6-8 weeks),these include:Natamycin,Amphotericin B and either fluconazole or miconazole. Reference:Comprehensive ophthalmology,AK Khurana,6th edition,page no.107