If your talking about for hunting I wouldn't waste the time or the money. It would just make it harder in my opinion. Plus it would just add to the problems you could have while in the field. Night vision on a bow, why? Never heard of it. Might be good for poaching but I can't see you needing in an actual hunting situation. The electronics might weigh more than the bow.

If you are talking about target type stuff there are several good scopes and sights for that, however they are not like a rifle scope. They use a magnified lens up front and a clarifier peep sight depending on the power of the lens and your eye sight. Not real cheap either.

Paul