These involve augmented and virtual reality displays projected on to the inside of a helmet visor, which can be configured depending on the type of mission.

In addition, it appeared that a jagged piece of the upright assembly had penetrated the helmet visor just above his right eye.

Safety helmet visor with a treated surface for the protection and therapy of eyes.

Drivers tried to use yellow helmet visors to enhance the light but that wasn't considered a success.

Finally, they open their helmet visors and take a deep breath; it smells like fresh country air.