(TrendHunter.com) The Dot Pad is a tablet designed for visually impaired people. It allows users to see pictures with their fingers, marking one of the first real-time tactile graphics display tablets on the market.... (TrendHunter.com) The Dot Pad is a tablet designed for visually impaired people. It allows users to see pictures with their fingers, marking one of the first real-time tactile graphics display tablets on the market....