Great officials see a game with purpose. This sublesson introduces how to train your eyes to focus on the right matchups, anticipate action, and maintain awareness of all ten players. You will learn how proper vision and positioning directly impact your ability to make accurate and confident decisions.
Great officials separate themselves by what they choose to focus on. You cannot watch everything equally, so you must train your eyes to prioritize the most important action occuring.
At all times, your goal is to:

The 70/30 Rule applies for officials to concentrate there focus on where action is most likely to occur with a ball handler. In simple terms, the 70/30 rule means that 70% of your focus is on one player while the 30% of your focus if on the other player. Notice there isn’t a 100% rule where you focus on one player at all times in a matchup. The 70/30 rule allows officials to maintain awareness of all players in a matchup and guide your vision in live play situations. The rule is implemented as follows:
When an offensive player is attempting a shot, gathering the ball for a shot attempt, or handling the ball during a live dribble, officiate 70% defense and 30% offense.