This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Ophthalmology
[{'content': 'Wavelength of ND: Yag laser - \nSelect and explain. \nA. 1064 nm, B. 532 nm, C. 1040 nm, D. 1064 pm', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Wavelength = 1064nm Mechanism : photocoagulation Uses : eyelid hemamgioma, CRAO, PRP, ARMD. REF:AK KHURANA 6THE PG462', 'role': 'assistant'}]