The treatment of hyperopia is to achieve that the images, instead of being focused behind the retina, are focused in the right place, that is, the retina. This is done with lenses or surgically.
The cause of diabetic retinopathy, as its name says, is diabetes. Treatment is based on control changes that cause the disease in the retina, but if you are in severe stages the damage is irreversible.
Laser surgery without knives is more accurate than other methods, and the fact that a laser is used to perform it, discomfort after running are minimal and short-lived