Yes! Damage to the retina commonly caused by high blood pressure and diabetes. There are herbs that can strengthen blood vessels and prevent deterioration and leakage. Consider ginkgo, a vasodilator that helps get more blood to retina; grape seed extract, high in proanthocyanidins which prevent blood leakage; quercitin, which can help lower high blood pressure; pycnogenol from pine bark shows promise2.
None. Naturopathy has nothing new or old to offer patients with retinopathy. You should be seeing a retinal specialist.