Proliferative diabetic retinopathy is a sight-threatening eye disease characterised by neovascularisation, the abnormal growth of blood vessels, in the eye.
Arrhythmia or irregular heart beat includes tachyarrhythmia, where the heart beats faster, and bradyarrhythmias, where the heart beats slower than normal.
Hypercholesterolemia is defined as elevated blood cholesterol levels. Cholesterol can clog arteries and lead to coronary heart disease and other conditions.