Sports activities suitable for the visually impaired include: aerobics, chess, track and field, swimming, gateball, table tennis for the blind, judo and so on. Among them, track and field, swimming, gateball and judo are listed as competitions.

Visual disability refers to the partial or total pathological changes in the structure or function of the visual organs or visual centers of the brain due to various reasons, which leads to different degrees of vision loss or narrowing of vision, and visual function is difficult to be used freely or even lost in work, study or other activities like normal people.

The legal visual disability in China is excellent, and the best corrected visual acuity is less than 0.3 (excluding 0.3) or the visual field radius is less than 10 degrees.