A liquid-crystal display device has a light pipe, a light source, a reflection layer, a light diffusion layer, and a liquid-crystal shutter. The cushioning layer comprises a gel cushioning layer with a continuous upper surface supporting the patient facing side, which includes channels formed therein. A plurality of card engagement members extend from a first edge of the base, each card engagement member operable to be located in a respective extension member coupling hole in order to couple the extension member to the card.