First of all, if the reason you first came here to Juvenation is looking for support, let me tell you that you most definitely came to the right place. Bottom line, that's why most of us "Juvenators" keep coming back. Dealing with Type 1 diabetes is a reason to need as much support as one can find. I hope you can find some comfort here.
Now, regarding your eyes. I am sorry to hear about your circumstances. A bit of history about myself: I was diagnosed back in 1973 when I was 4 years old. As a young child, my parents made sure that they took care of me and my diabetes as well as they could. Once I got into teenage and young adult years and had to take control myself, well, let's just say that I didn't take the reigns the way I should have and my diabetes care suffered. So, skip forward to 2001, 27 years after I was diagnosed and I am at that time 32 years old. I started seeing "floaters" (black spots) in my eyes. To make a long story very short, it turned out that I had an advanced case of retinopathy in both eyes. They tried the laser surgery, but unsuccessfully. So, over the course of about the next two years, I had full-blown invasive surgery in each eye, not only once but twice because they both ended up with hemorraging afterwards.
Right now, I look back on it and it seems like it was so long ago. BUT, I do very vividly remember the fear involved. Not the fear of the hospital or of the surgeries - hey, we diabetics are used to hospitals and doctors! But, like you, I wondered "Okay, is this just the start? I've mistreated my body so badly for so many years... Is this the payback?"
Luckily, I got through those couple of years, blind at some points, but now I have pretty good vision - not 20/20, but let's just say that I still have a Driver's Licence. Since then, I have also not developed any other major complications. As of a couple months ago, I do see a kidney specialist because my endocrinologist saw a test result that was just slightly off. As much as sometimes I find it a hassle to see him, I figure "Hey, just in case...!"
My family has a strong history of cancer, with my mother being a breast cancer survivor herself. Often I wonder which will take me in the end: diabetes and its complications or some form of cancer (mind you, so far so good...)
I guess in the end all I can say is take the best care of yourself that you can. That's all you owe to yourself - but that is entirely what you owe to yourself!