Preproliferative diabetic retinopathy is a more advanced stage of damage to the eye than the early signs found in BDR.
Preproliferative diabetic retinopathy is a more advanced stage of damage to the eye than the early signs found in BDR. Once this stage is present, vision can worsen rapidly if the progression of damage is not monitored regularly and treated when it progresses to a certain stage. Changes to the eyes are documented with either retinal photographs or with a more precise fluorescein angiography test. In this test, fluorescein dye is injected into a blood vessel in the arm and photographs are taken of the retina to look for leakage of fluorescein dye from damaged blood vessels. Changes in this stage include: Intraretinal Microvascular Abnormalities (IRMA) and Cotton Wool Spots.
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