Question 43

The Diabetic Retinopathy Study (DRS) showed what percentage decreased risk of severe vision loss (defined as visual acuity worse than 5/200) with treatment with panretinal photocoagulation (PRP) in patients with severe nonproliferative diabetic retinopathy (NPDR) or proliferative diabetic retinopathy (PDR)?

15%

35%

50%

65%

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