Gaze Interaction, using eye tracking technology  basically enables control of a computer. Tobii Gaze Interaction and Eye Tracking solutions consist of various hardware and software products for use of people with severe motor disabilities and those with limited use of hands or arms like ALS/MND, AUTISM, CEREBRAL PALSY, STROKE/APHAISA, RETT SYNDROME, DEVELOPMENTAL DELAY, MS, SPINAL CORD INJURIES. These diseases impair not only motor abilities but also the ability to speak. Therefore, people affected by such diseases have speech and language disordersa, so are not able to express themselves verbally. Also patients with ALS, in the later stages of the disease may become totally paralyzed, however in most cases their minds remain sharp and alert. In cases of  Cerebral Palsy, Autizm and Rett Syndrome, individuals are open to mental development with special education. Early communication and special education at early ages is essential for a healthy improvement.