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
Injury due to Alkalis causes: 
Select and explain. 
A. Retinal detachment, B. Retinitis, C. Perforation, D. Symbelapharon
D: Symbelapharon
Answer: D: Symbelapharon 
Explanation: Symbelapharon