What Do Horse Racing Blinkers Do?

Answer 1

Horses wear blinkers

To block part of the vision so as to enable them to concentrate, run properly (peripheral vision is necessary), and to correct their attitude to veer to the outside and running to close to the inner rail. Some of them are aggressive and nervous and got distracted by the noise of the crowd.

Answer 2

prevents the horse being distracted outside of the raceline

Answer 3

So the others know when they're going to turn.

Answer 4

to protect their eyes from things