Feature: 1. Alleviate Eyestrain: HD lazy glasses help you read books and watch TV shows without touching and moving your head directly. Prevent neck pain, radiation and eyestrain. 2. Convenient: The 90° field of view glasses design allows people to lie down and read books, watch TV, and play with mobile phones. These prism glasses are ideal for patients. 3. Lightweight: These lazy glasses look stylish and compact. The glasses are light and comfortable to wear, making them a good gift for fashionable people. 4. Clear Vision: These prism glasses are made of resin frame and high definition optical prism material for clear vision, you can enjoy your leisure time. 5. Tips: The width of the glasses frame is about 15cm, if the face is wider than this size, you may feel uncomfortable to wear. Please pay attention to whether it is suitable for you before purchasing. Specification: Item Type: Light Prism GlassesMaterial: Resin, glassSize: Approx. 15 x 14.5cm / 5.9 x 5.7in. Package List: 1 x Light Prism Glasses