Para-equestrian classification is a system for para-equestrian sport is a graded system based on the degree of physical or visual disability and handled at the international level by the FEI. The sport has eligible classifications for people with physical and vision disabilities. Groups of eligible riders include The sport is open to competitors with impaired muscle power, athetosis, impaired passive range of movement, hypertonia, limb deficiency, ataxia, leg length difference, short stature, and vision impairment. They are grouped into five different classes to allow fair competition. These classes are Grade Ia, Grade Ib, Grade II, Grade III, and Grade IV. The para-equestrian classification does not consider the gender of the rider, as equestrines compete in mixed gender competitions.