[8] On a sport specific level, Blind Sailing handles national governance related to this class in the United Kingdom.
[10] While historically the English National Association of Visually Handicapped Bowlers had included limited field of vision as a consideration for this class, it was dropped because this vision issue did not impact ability in bowls.
Classification was developed by the IBSA to insure more even competition across the different bands of visual acuity.
[19] The International Sports Organization for the Disabled (ISOD) developed a blind classification system in 1976.
The early classification system for blind sport was developed by the IBSA in 1980.
[20] The International Paralympic Committee made an attempt in 2003 to address "the overall objective to support and co-ordinate the ongoing development of accurate, reliable, consistent and credible sport focused classification systems and their implementation.
This is used in the United Kingdom and is defined as "an individual with an acuity of 6/24 would be able to read the three top lines on a Snellen chart at six metres.