Imho the best advice is from the previous poster, ride both and just continue to keep your head on a swivel, as I'm sure you already do.
My brother has one eye, and has to work extra hard I know to see everything. He always jokes about his depth perception at holiday meals and acts like he's going to pour a bottle of wine everywhere next to his glass.
Honestly if you put the effort into awareness and overcoming your "obstacle" in snowboarding as the rest of your life, you will be more safe and self-aware then 80% of the people on the slope - what's their excuse?
Oh yea, the idiot epidemic, careful the energy drinks are spiked!
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