I am in a similar situation. I lost the sight in my left eye this year (a genetic condition called optic nerve drusen). I have been ridding for about 7 years and don't plan on giving it up, but just adjusting my riding habits. I plan on not riding on the street much ( if ever). I am looking at getting the new zx10 in January and setting it up just for drag racing. I still ride the raptor off road, but let me tell you IT IS A LOT HARDER to do. You will get some of your depth perception back but it takes a while and you have to be very careful of your blindside. All I can say is ultimately it's going to be your choice, but I would seriously consider track days and other activities that limit your road time, because we all know it's dangerous to begin with but now its that much more dangerous.