Assertion: proliferative diabetic retinopathy | /r/HasProperty | characterized by neovascularization of retina
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text: According to a 2014 NCBI article, nearly 1.5% of adults suffering from diabetes also have proliferative diabetic retinopathy (PDR), which is characterized by neovascularization of retina, leakage of serum, hemorrhage, and fibrovascular proliferation in the vitreous retinal interface.