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
[{'content': 'On mutation, which of the following may give rise to hereditary glaucoma. \nSelect and explain. \nA. Optineurin, B. Ephrins, C. RBA8, D. Huntingtin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 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.', 'role': 'assistant'}]