Cystoid macular edema (CME) means fluid accumulation in the outer plexiform layer secondary to abnormal perifoveal retinal capillary permeability. It is a painless disorder affecting the central retina or macula.
Cystoid macular edema belongs to one type of macular edema, another type of edema is diabetic macular edema (DME).
The cause for cystoid macular edema can be described as "DEPRIVEN", which means diabetes, epinepherine, pars planitis, retinitis pigmentosa, Irvine-Gass syndrome, venous occlusion, E2-prostaglandin analogues, and nicotinic acid.
Keywords: cystoid macular edema; macular edema+; macular edema