A T11 athlete may be entirely without sight, or be able to perceive light, but have no ability to see the shape of a hand at any distance.
Athletes in this category have minimal limitations or control problems in their arms and trunk while pushing a wheelchair.
The athlete may have sufficient function to run but demonstrates poor balance.
10:50 12 September 2016:[3] The T42 category is for single above-knee amputees and athletes with other impairments that are comparable to a single above knee amputation, including athletes with loss of muscle power in the lower limbs.
19:08 11 September 2016:[4] The T44 category is for athletes who have a single below knee amputation or who can walk with moderately reduced function in one or both legs.