This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy, Development and clinical examination, Subject name: Ophthalmology
All are pas of the anterior segment of eye except 
Select and explain. 
A. Lens, B. Cornea, C. Vitreous, D. None
C: Vitreous
Answer: C: Vitreous 
Explanation: Anterior segment of the eye consists of a crystalline lens, & structures anterior to it, viz., iris, cornea & two aqueous filled spaces- anterior and posterior chamber Vitreous is a posterior segment structure, which is situated posterior to lens, like vitreous humor, retina, choroid & optic disc Reference : A K KHURANA Comprehensive Ophthalmology edition 6, page-3