Epidemiology Diabetic retinopathy (DR)is the leading cause of blindness in people of working age in industrialized countries. After 20 years of diabetes,nearly 99%of patients with type 1 diabetes and 60%with type 2 have some degree on DR 。 33%of patients with diabetes have signs of DR 。 People with diabetes are 25 times more likely to become blind than the general population
• Diabetic retinopathy (DR) is the leading cause of blindness in people of working age in industrialized countries. • After 20 years of diabetes, nearly 99% of patients with type 1 diabetes and 60% with type 2 have some degree on DR • 33% of patients with diabetes have signs of DR • People with diabetes are 25 times more likely to become blind than the general population. Epidemiology
Prevalence Rates 2010 U.S.Prevalence Rates 2010 U.S.Prevalent Cases of Diabetic Retinopathy Diabetic Retinopathy by Gender 309% 25% 20% 51% 15% 10% 49% 0% 40-49 50-64 65-74 15 Female ■Male ◆-White量-Black-Hispanic --Other Diabetic Retinopathy Prevalence of Diabetic Retinopathy by Race-2010 16,000,000 14,000,000 Other ☐0.047 12,000,000 10,000,000 Hispanic 0.080 ■2010 8,000,000 ■2030 Black ☐0.054 6,000,000 ■2050 4,000,000 White 0.051 2,000,000 All ☐0.054 White Black Hispanic Other http://www.nei.nih.gov/eyedata/diabetic.asp
http://www.nei.nih.gov/eyedata/diabetic.asp Prevalence Rates
Definition DR is the most common diabetic eye disease and a leading cause of blindness in working adults. Progressive dysfunction of the retinal blood vessels/retinal neurons caused by chronic hyperglycemia. Initially,DR is asymptomatic,if not treated though it can cause low vision and blindness
• DR is the most common diabetic eye disease and a leading cause of blindness in working adults. • Progressive dysfunction of the retinal blood vessels/retinal neurons caused by chronic hyperglycemia. • Initially, DR is asymptomatic, if not treated though it can cause low vision and blindness. Definition
Symptoms As the disease progresses, symptoms may include -Blurred vision -Floaters -Fluctuating vision -Distorted vision -Dark areas in the vision -Poor night vision Impaired color vision -Partial or total loss of vision Diabetic Retinopathy
As the disease progresses, symptoms may include •Blurred vision •Floaters •Fluctuating vision •Distorted vision •Dark areas in the vision •Poor night vision •Impaired color vision •Partial or total loss of vision Normal Vision Symptoms
Risk factors Duration of diabetes Poor Blood Sugar control ·Hypertension ·Hyperlipidemia ·Barriers to care Others
• Duration of diabetes • Poor Blood Sugar control • Hypertension • Hyperlipidemia • Barriers to care • Others Risk factors