Can you tell me how has technology helped overall with the many different types of disabilities?

Need more detail: As you know technology is rapidly being applied to every facet of our lives especially healthcare. One factor that is key in treating disabilities using tech is that new products have to go through rigorous testing to be shown to be safe. Then there is another issue as to whether insurance will cover the device. Feel free to ask us a more detailed question if you wish as your question is broad.