Choroidal Thickness in Diabetic Retinopathy Assessed With Swept-Source Optical Coherence Tomography:

Purpose:To compare the choroidal thickness (CT) of diabetic eyes (different stages of disease) with controls, using swept-source optical coherence tomography.Methods:A multicenter, prospective, cross-sectional study of diabetic and nondiabetic subjects using swept-source optical coherence tomography