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
On mutation, which of the following may give rise to hereditary glaucoma. 
Select and explain. 
A. Optineurin, B. Ephrins, C. RBA8, D. Huntingtin
A: Optineurin
Answer: A: Optineurin 
Explanation: The first gene found for open angle glaucoma was, GLC1A or myocilin (MYOC). The second gene discovered was optineurin. WDR 36 gene is also involved.