Retinal Photoreceptors and Microvascular Changes in Prediabetes Measured with Adaptive Optics (rtx1™): A Case-Control Study

Figure 1

Flow diagram of the study selection process: participant sampling, recruitment, and exclusion. ADA: American Diabetes Association; IFG: impaired fasting glucose; IGT: impaired glucose tolerance; OGTT: oral glucose tolerance test with 75 g of glucose.