My topsy turvy world continues

My dad is 82. He told last Friday morning that he couldn't see out of his right eye. At that time, he said everything was blurry. I made an appointment with his eye doctor Monday afternoon. Daddy has a central retinal vein occlusion. He saw his GP this afternoon, he will have carotid artery studies and other tests next week. He will see a retinal specialist tomorrow morning.
Dad is diabetic and his memory is beginning to fade. This eye trouble has thrown him for a loop. I will have to make him give up his driving. None of my siblings are courageous enough to tackle that subject. All I've heard is "Good Luck!"