The booklet provides an overview on vision therapy to aid writers, editors, and broadcasters help parents, teachers, older adults, and all consumers learn more about vision therapy. Following a description of vision therapy or vision training, information is provided on how and why vision therapy works. Additional sections address providers of vision therapy (principally optometrists), the nature and scope of a vision examination, and benefits of such an approach. A section on the contributions of vision therapy to education notes its impact on developing and developed vision systems. Six specific applications of vision therapy are then addressed: with juvenile delinquents, with individuals with strabismus (crossed eyes) and amblyopia (lazy eye), with workers, with older adults, and with athletes. (CL)