[5] He competed in the 2012 Summer Paralympics despite an infection and the doctor's bed-rest order, after sneaking out of the hospital.

[6] Cai lost his eyesight when he was 10 years old, due to a medical accident involving an injection.

[1] Cai is married to goalball player Wang Shasha, who is also blind.

[7] He has a black Labrador guide dog named "Sanhao" (Chinese: 三好; pinyin: Sānhǎo; lit.

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