This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Techniques of Ocular Examination and Diagnostic Tests, Subject name: Ophthalmology
[{'content': 'Maddox rod test is used for testing - \nSelect and explain. \nA. Macular function, B. Lens opacity, C. Amount of tear production, D. Vitreous hemorrhage', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Macular function Macular function testso While evaluating the retinal function, some tests are used specifically for macular function,o These tests are :1) Simple m acular fu nction testsy Two point discrimination test (Cardboard test)y Maddox rod testy Coloured light testy Modified photostress testy Entoptic view testy Amsler grid test2) Other testsy Blue field entoptoscopyy Laser interferometryy Potential acuity metery Flying corpuscle test", 'role': 'assistant'}]