###Rationale: Amongst the given options, retinal detachment and vitreous hemorrhage can cause floaters with sudden loss of vision. However, vitreous hemorrhage is not a late complication of cataract surgery.
Late complications ofcataract surgely are - cystoid macular oedema, retinal detachment, epithelial ingrowth, fibrous ingrowth, vitreous touch syndrome, after cataract.

###Answer: OPTION B IS CORRECT.
###Question: A 60 year old male patient operated for cataract 6 months back now complains of floaters and sudden loss of vision. The diagnosis is –
###Options:
A. Vitreous hemorhage
B. Retinal detachment
C. Central retinal artery occlusion
D. Cystoid macular edema
