There is a new app developed at UC, Riverside, that rewires your visual cortex to see better. It applies new knowledge gained recently about the elasticity of the adult brain and how it can be rewired. According to the article, after 3 weeks, you can see both further and read more easily. This would be a big help for hunting, I imagine. I can't wait to hear more.

http://www.popularmechanics.com/scie...rther-16506910