Deluxe Prism Glasses, model A18002, are prism glasses designed for use by individuals with severe physical disabilities or spinal cord injury. The prism allows the user to see at a 90 degree angle, enabling the user to read in bed or watch TV while lying flat. A propped-up book can be read while the user's head is flat on a pillow. The glasses can also be used for reading during an MRI scan. The streamlined frame fits over regular glasses. These glasses are latex free and come with a protective vinyl case. WEIGHT: 5.4 ounces.