An electro therapist is used for children who are having trouble with their directionality (the ability to tell left from right, top from bottom, upwards from backwards), and they don't know how to navigate space very well. It is natural for younger children to struggle with directionality, but by a certain age, usually around 7 years old, if a child has problems with directionality it is a developmental skill that should be worked on. For fluent reading, a child needs to know how to hold a book properly, identify the top and bottom, follow the text from left to right, identify the first and last words, and track from word to word and from line to line. All of which becomes difficult if your child has a problem with their directionality. So this device is kind of a way of introducing that to them.
It is also beneficial for those who have suffered traumatic brain injuries. When you suffer a traumatic brain injury, you lose some of the abilities you had before. Through the use of this device, Optometrists can rebuild nerve pathways in the brain so that information can be processed more efficiently. A traumatic brain injury can cause the following vision problems:
