Fig. 1From: Single retinal image for diabetic retinopathy screening: performance of a handheld device with embedded artificial intelligenceExample of heatmap visualization. (A, C and E) Color fundus photograph depicting clinical signs of diabetic retinopathy such as hard exudates and hemorrhages. (B, D and F) Overlay with the heatmap visualization can help identify lesions, flagged in a color scale, from blue (low importance) to red (high importance)Back to article page