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
Ameboid ulcer is a feature of - 
Select and explain. 
A. Parasitic corneal ulcer, B. Mycotic corneal ulcer, C. Herpetic corneal ulcer, D. Bacterial corneal ulcer
C: Herpetic corneal ulcer
Answer: C: Herpetic corneal ulcer 
Explanation: It is seen primary ocular herpes.Sometimes the margins of the dendritic ulcer enlarge and coalesce to form a large epithelial ulcer with a 'geographical' or 'ameboid' configuration</p. Reference:Comprehensive ophthalmology,AK Khurana,6th edition,page no.108