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': 'Attachement of Vitreous is Srongest at \nSelect and explain. \nA. Foveal region, B. Back of lens, C. Across ora serrata, D. Margin of optic disc', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is \'c\' i.e., Across ora serrata Attachement of vitreous Vitreous is attached anteriorly to the lens (Hyloid capsular ligament of Wieger) and ciliary epithelium in front of the ora serrata. The pa of vitreous about 4 mm across the ora serrata is known as the "base of vitreous" where the attachement is strongest Posteriorly vitreous is attached to the edge of the optic disc and macula lutea (foveal region) forming ring-shaped structure around them', 'role': 'assistant'}]