This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Conjunctiva, Subject name: Ophthalmology
Dendritic ulcer is produced by 
Select and explain. 
A. Pneumococcus, B. Herpes zoster virus, C. Gonococcus, D. Herpes simplex virus
D: Herpes simplex virus
Answer: D: Herpes simplex virus 
Explanation: Epithelial Herpes simplex Virus keratitis - Symptoms Redness Pain Photophobia Tearing Decreased vision Signs Three distinct patterns of epithelial keratitis seen are : punctate Epithelial keratitis dendritic ulcer geographical ulcer Ref;A.K.Khurana; 6th edition; Page no:108 REF IMG