<prompt> Fundus flouoscien angiography is least useful in?Diabetic retinopathyCentral serous retinopathyCystoids macular edemaNone of the above  <response>: Ans. is d i.e., None of the above Fluorescein angiography is useful in all conditions. Fluorescein angiography is used in :? Diabetic retinopathy Neoplasm Papilloedema Central serous retinopathy Retinitis pigmentosa and other retinal degeneration Choroidal diseases : Choroidal neovascularization Vascular occlusions CRVO, CRAO Eales disease Cystoid macular edema 