1 (blinkers) chiefly British a pair of small leather screens attached to a horse’s bridle to prevent it seeing sideways and behind and being startled.
something which prevents someone from gaining a full understanding of a situation:we are having a fresh look at ourselves without blinkers
2 (usually blinkers) a vehicle indicator or other device that gives out an intermittent light:the cars queued up with blinkers flashing
verb
[with object]
put blinkers on (a horse):Brown Boy will be blinkered for the first time at York
cause (someone) to have a narrow or limited outlook on a situation:university education blinkers researchers so that they see poverty in terms of their own specialization
blinker in other Oxford dictionaries
Definition of blinker in the US English dictionary