Blood-retinal Barrier Imaging and Neuropsychiatric Sequela in Type 2 Diabetes Mellitus

Inclusion criteria: 1. T2DM Patient suffering from Non-Proliferative Diabetic Retinopathy (NPDR), Proliferative Diabetic Retinopathy (PDR) and Diabetic Macular Edema (DME) who are in the clinical database of the ophthalmologic department , above 18 years old at the time of diagnosis and underwent FA examination in the past three years 2. Patients which their medical records are available via a computerized data base Control group: 1. T2DM patients who are in the clinical database of the ophthalmologic department 2. Above 18 years old at the time of diagnosis 3. Underwent FA examination in the past three years and their examination was interpreted as "normal", i.e. without suspected diabetic retinopathy