Read or watch television while lying down. Deluxe Prism Glasses are non-magnifying glasses that have a prism which turns an image at a right angle so that no head movement is necessary while reading or watching television. Ideal for those who need to remain in a supine position, wear a halo or have limited neck movement. Also may be used while reading in a seated position with a book in the lap. Fits over most corrective lenses if necessary. Will not cause eye fatigue or strain. Ear piece can be adjusted with a heat gun. Includes a vinyl carrying case.