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Visual Classifications

IBSA Visual Classifications

B1: No light perception in either eye up to light perception, and an inability to recognize the shape of a hand at any distance or in any direction.

B2: From ability to recognize the shape of a hand up to visual acuity of 20/600 and/or a visual field of less than 5 degrees in the best eye with the best practical eye correction.

B3: From visual acuity above 20/600 and up to visual acuity of 20/200 and/or a visual field of less than 20 degrees and more than 5 degrees in the best eye with the best practical eye correction.

For sport-specific visual classification information, please visit the IBSA website.

USABA Recognized Low Vision Classification

B4: From visual acuity above 20/200 and up to visual acuity of 20/70 and a visual field larger than 20 degrees in the best eye with the best practical eye correction.

National and International Classification

USABA adopts and complies with the US Paralympics National Classification Policies and Procedures and the classification policies set forth by the International Blind Sports Federation (IBSA). For further details on IBSA classification policies, forms and master classification list, please go to the IBSA website.