For example, "a laser system that will dazzle at one mile away may permanently blind at closer range."[5] The only way to prevent all possible eye injuries by combat lasers would be to ban such lasers,[citation needed] but the countries negotiating the Protocol saw this as neither feasible militarily nor even desirable from a humanitarian standpoint because target-marking and rangefinding lasers are important for keeping munitions on target and away from civilians.[2]