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': 'Strongest force of bonding between retina and RPE – \nSelect and explain. \nA. Vitreous gel pressure, B. Intraocular fluid pressure, C. RPE water transport, D. IPM', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Interphotorecepter matrix (IPM) is the most important bond between the retinal pigmented epithelium (RPE) to the rest of the retina (through photoreceptor layer).', 'role': 'assistant'}]