Syntonics, also known as optometric light therapy, is a type of vision therapy that improves the function of the visual system using selected light frequencies through the eyes. Some visual dysfunctions that this branch of ocular science has been successful in treating include:
strabismus (eye turns)
amblyopia (lazy eye)
accommodation and convergence issues
vision related learning disorders
headaches
migraines
vertigo
after effects of stress and trauma
brain injury and emotional disorders.