I agree with all that's said here. I had a detached retina 9 years ago and had to get laser therapy on both retinas to "glue" them back to the eyeballs. So I ended up with "floaters" inside my eyeballs that are still there to this day. Soon after that surgery, I decided to take up RC flying because I didn't know how much "time I had left". So, depth perception is one issue, but also having to focus past the "floaters" required training that RC flying is excellent for. I learned that keeping the airplane closer is the best solution for me. Some of my planes I added neon yellow strips to the wing leading edges because it helps me to see the plane as it is coming towards me for a landing. And finally, surprisingly, I have also flown small park flyers that don't give me visibility problems because I can keep them closer to me. If you are going with gas/glow, then go BIG.

Another thing, using dark sunglasses doesn't help my vision either. I think I will try those yellow shades this summer to reduce/eliminate the glare.