B1

B2

B3

Near-total visual impairment.

Moderate visual impairment, able to see approximately one metre.

A visual impairment, able to see approximately five metres in front of them.

 


In Alpine Skiing, all visually impaired classes compete together and are classified according to how much sight they have.

Visually impaired skiers race using a clock that runs at different speeds to compensate for the different classes.