Swept-source-optical coherence tomography study of choroidal thickness in maculopathy type two diabetes mellitus patients

Our study was performed between April 2017 and September 2017, at out-patients clinic (OPD) of Ophthalmic Department, Faculty of Medicine, Suez Canal University Hospital, Ismailia, Egypt. Fifty cases were included in this study. A diabetic group 25 cases (Ischemic & non Ischemic Maculopathy) with or/without macular edema. Detection was performed by Fluorescein Angiography (ZeissVisucam 500), Figure 1. Choroidal Thickness CT was evaluated by SS OCT, Figure 2. It provides sectoral analysis and follow-up of retinal pathologies involving the choroid. All SS-OCT examinations were performed between 12 pm and 2 pm to avoid any inclusion of diurnal variations in CT.3 The macular 3D scan (512X256 A scans/ 0.8 Sec), program of the built-in software was used for our measurements of retinal & Choroidal Thickness. Choroidal Thickness measurement included nine zones. Subfoveal (from the epithelium/Bruch’s membrane complex to the sclerochoroidal interface within 6mm) was measured using automatic analysis software. We analyzed for each of the eyes 9 regions of the macular zone in accordance with Early Treatment Diabetic Retinopathy Study (ETDRS). Figure 3 Control group included 25 healthy adult individuals. Figure 4 shows details of retina and choroid as seen by SS-OCT. Figure 1 Fluorescein Angiography Zeiss-Visucam 500.