Ophthalmology Cornea a423032b Which of the following contains long spaced collagen? A Diaphragm B Cornea C Basement membrane D Tympanic membrane High-Yield Explanation Ans. (b) CorneaRef: Cornea by Mannis, 4/e, p. 897Seen in a number of corneal pathologies like Fuch dystrophy, PPMD, Scheie syndrome, etc.