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Questions and Answers
What is the prevalence of diabetic retinopathy in people with diabetes?
What is the prevalence of diabetic retinopathy in people with diabetes?
- Less than 20%
- Approximately 10%
- About one-third (correct)
- Around half
What percentage of people with type 1 diabetes will have retinal changes after 20 years?
What percentage of people with type 1 diabetes will have retinal changes after 20 years?
- 30%
- 70%
- 90% (correct)
- 50%
What percentage of people with type 2 diabetes have retinopathy at diagnosis?
What percentage of people with type 2 diabetes have retinopathy at diagnosis?
- 40-50%
- 20-30% (correct)
- 10-20%
- 30-40%
What is the recommended intervention for approximately 30% of people with diabetes to prevent progressive retinopathy?
What is the recommended intervention for approximately 30% of people with diabetes to prevent progressive retinopathy?
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What is the most common cause of blindness in working-age people due to diabetes-related complications?
What is the most common cause of blindness in working-age people due to diabetes-related complications?
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Study Notes
Overview of Diabetic Retinopathy
- Diabetic retinopathy is the leading diabetes-related complication affecting the retina.
- Its prevalence escalates with the duration of diabetes.
Prevalence and Statistics
- About one-third of all individuals with diabetes are affected by retinopathy.
- In individuals with type 1 diabetes, 20% show retinal changes after 10 years, with this number rising to 90% after 20 years.
- Around 20-30% of those with type 2 diabetes present with retinopathy at the time of diagnosis.
Severity and Impact
- 10% of people with diabetes may develop sight-threatening retinopathy.
- Diabetic retinopathy is the leading cause of blindness among working-age individuals globally.
Treatment Considerations
- Approximately 30% of individuals with diabetes may need laser photocoagulation treatment to prevent or slow the progression to proliferative retinopathy.
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