What do you recommend for diabetic retinopathy?

Control diabetes. The treatment of diabetic retinopathy involves both full evaluation by an eye specialist and possibly such things as laser treatment and a very serious approach toward controlling your diabetes as closely as possible.
See a retina special. A retina specialist is the correct person to treat the different kinds of diabetic retinopathy. For diabetic macular edema: laser, eye injections of medicine (anti-vegf and steroids). For proliferative diabetic retinopathy: laser, eye injections of medicine. For vitreous hemorrhage: vitrectomy surgery with laser. For tractional retinal detachment: vitrectomy, with laser and membrane peeling.