This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Surgery
OCP are associated with which of the following complication (Repeat 2009) 
Select and explain. 
A. Papilledema, B. optic neuritis, C. colourblindness, D. Papillitis
B: optic neuritis
Answer: B: optic neuritis 
Explanation: Ans b (Optic neuritis)Ophthalmic complication of OCP central retinal artery occlusion prethrombosis of central retinal vein perivasculitis, inflammation of anterior segment of the eye ' macular hemorrage Papillitis & lesions of optic nerve causing variable degree of visual loss