Bimanual therapy, also referred to as intensive bimanual training, engages patients in active play or practice to improve the use and coordination of both hands. Bimanual therapy is different from similar unimanual therapies, like constraint-induced movement therapy (CIMT), because it promotes simultaneous use of both hands.
Cerebral palsy is caused by damage to the infant brain. This damage can involve not only the motor parts of the brain, but also the parts that deal with vision. This is not related to damage to the eye but is related to damage of the parts of the brain that process visual information.