Paralympic Disability Football 5-a-side Infographic Explanation - Image Courtesy of Allianz.com
Football 5-a-side players assigned to one of three sport classes based on their level of visual impairment:
B1 - Totally or almost totally blind; from no light perception up to light perception but inability to recognize the shape of a hand.
B2 - Partially sighted; able to recognize the shape of a hand up to a visual acuity of 2/60 or a visual field of less than 5 degrees.
B3 - Partially sighted; visual acuity from 2/60 to 6/60 or visual field from 5 to 20 degrees
Football 5-a-side in Europe was developed in Spain. The first Spanish national championships took place in Spain in 1986.
In South America, there are records of a Brazilian Tournament organized in 1980. European and American Championships took place in 1997, followed by the first World Championships in 1998.
The sport was added to the Summer Paralympic Games in 2004.