Eye doctors use the 4-2-1 rule to define severe NPDR, also known as stage 3 diabetic retinopathy. During an exam, the eye is visually divided into four quadrants. The diagnosis of severe NPDR is ...

which doctors use to determine the progression of diabetic retinopathy in the four quadrants of your retina. There’s a higher than 50% chance that severe NPDR will progress to PDR within 1 year.

Non-proliferative diabetic retinopathy is the earliest stage of ... severe hemorrhages and microaneurysms in all four quadrants abnormal beading of the venous wall in at least two quadrants ...

If you have diabetes, you may get a condition called diabetic retinopathy. This eye disease happens when high levels of blood sugar damage blood vessels in a part of your eye called the retina.

The five human senses include sight, hearing, smell, taste, and touch. While each of these matter for different reasons, they aren't perceived as being equal. For instance, according to a YouGov ...

Recent reports suggest diabetic retinopathy is more common in younger people than previously thought, leading to a call for more frequent screening for this condition and more attention to follow ...

The extent of diabetic retinopathy noted with the ophthalmoscope was graded as 1 when only microaneurysms were seen, 2 with microaneurysm as well as hemorrhages ("dot and blot") and exudates ...

One of the most common ones is diabetic retinopathy. This is a condition that affects the blood vessels in your retina, the light-sensitive tissue in the back of your eye. If you have too much ...