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
Angular conjunctivitis is caused by - 
Select and explain. 
A. H. influenza, B. Adenovirus type 32, C. Moraxella axenfield bacillus, D. Brahnmella
C: Moraxella axenfield bacillus
Answer: C: Moraxella axenfield bacillus 
Explanation: Moraxella axenfeld (moraxella lacunata) is the most common causative organism for angular conjunctivitis. Ref: Parson's 21st/e p.168