These flat reading reading glasses are perfect for patients with rehabilitation or mobility difficulties, bedridden patients, surgical recovery patients, pregnant women who are resting in bed, or anyone else who needs to rest in bed for a long time. Prism bed glasses allow users to read text or watch TV from a lying position without having to stretch or bend their necks. This posture helps prevent neck and eye fatigue caused by awkward and uncomfortable reading positions, as it allows users to lie completely flat on the bed, place a book on their lap, or watch TV on the wall or table. Before wearing lazy glasses, you can wear reading glasses, nearsighted glasses, and a range of glasses. Comfortable, non oppressive, and lazy mirror convergence. Special glasses are similar in shape to regular glasses. You can wear only prism glasses or wear them on regular glasses (including prescription glasses). It consists of a frame, fixed components, and a refractive lens, which can turn a straight light into a curved light. The refractive lens is located in the viewfinder of the frame; Fixed components and frames are fixed together.