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: Ophthalmology
Which of the following is not seen in blunt trauma to eye 
Select and explain. 
A. Retinal detachment, B. Double perforation in iris, C. Hyphaema, D. Iridiodialysis
B: Double perforation in iris
Answer: B: Double perforation in iris 
Explanation: Retinal detachment, hyphaema and iridodialysis can occur in blunt ocular trauma.