 This points out a problem that is common with Complementary or integrative medicine, a type of Alternative medicine, is that a promising use for treating a single disorder is applied to a wide range of disorders for which there is no evidence.The eye exercises used in vision therapy can generally be divided into two groups; those employed for "strabismic" outcomes and those employed for "non-strabismic" outcomes, to improve eye health.Ophthalmologists and orthoptists do not endorse these exercises as having clinically significant validity for improvements in vision.