Eye and kidney diabetic complications cure

Patient: My brother is 50 yrs old now. he has diabetes since he was 30 years old. since last two yrs, he has developed diabetic complications. he is having ratinapathy. he is taking laser treatment. he is closer to blindness. he has developed peripheral neuropathy. his most complication is nepheropath. he has renal failure. since last 6 months, he is on dylysis. What is the cure for him? what are his chances of survival? what he can do to extend his life?

Doctor: The chances of survival for your brother is good enough as long as he keeps control his blood glucose level and blood pr esure as well. Also you should be sure that his diet is proper, full and pure water consumption too.