How to improve eyesight? How to use a sight power in combat to overcome an opponent? br br Watch this Self-Development DVD and you will: br br • learn practical exercises of how to improve your eyesight within 30 days br • find out where to focus your sight during combat br • practice sending signals through eyes to control your opponent’s mobility br • improve your fighting skills applying psychological elements through vision br • deliver an impact to the opponent’s mind through your sight power