Here’s why pulse pressure is important in diabetes
Once systolic BP is controlled, it's better to avoid too low a diastolic pressure: cardiologist

Pulse pressure is a better predictor of severe diabetic retinopathy than systolic blood pressure, researchers from Japan report.
Hypertension is thought to be an excellent predictor of incident diabetic retinopathy, but only weak evidence supports a role for systolic blood pressure in developing severe diabetic retinopathy.