The International Blind Sports Association ( IBSA ) defines this classification as `` From ability to recognize the shape of a hand to a visual acuity of 2\/60 and\/or visual field of less than 5 degrees . ''
The International Blind Sports Association ( IBSA ) says B2 athletes are : `` From ability to recognize the shape of a hand to a visual acuity of 2\/60 and\/or visual field of less than 5 degrees . ''