Medical and therapeutic device and apparatus for home or clinical use, namely, a series of balls with patterns which, when spun toward the patient, are used in rehabilitation of post-concussion patients and other patients who exhibit symptoms of visual vertigo or have other visual deficits; Physical rehabilitation, physical therapy, and medical equipment designed for medical use, namely, as a form of oculomotor training, proprioceptive awareness training, and reaction time training, to help assist with sensory integration type tasks for post-concussion patients or patients with symptoms of visual vertigo; Medical apparatus, namely, therapeutic devices for delivering specifically engineered functional medical benefits when tossed to a patient, by challenging the patient's oculomotor control, balance, and mental processing, leading to accelerated rehabilitation