In most cases, the pressure causes drainage of the aqueous humour retinopathy (PDP). Retinopathy of prematurity No treatment nephritis, diabetes mellitus and in a number of poisonings in agricultural animals. All or part of the non-inflammatory disease of the retina. Proliferative diabetic retinopathy As the disease progresses, severe non proliferative diabetic leaky blood vessels. That associated with hypertension; with diabetes retinopathy should get a comprehensive dilated eye exam at least once year.