BPG- These are non magnifying reading glasses that allow you to read or watch tv while lying down in complete comfort flat (supine) on your back in bed. These glasses with the help of multiple prisms bend your view 90 degrees to eliminate the need to crane your neck, they are made for lying flat or with a slight pillow. They eliminate the need for head movement while lying down, ideal vision aid for those who prefer the supine position, or those who are suffering from back problems or medical issues that prevent the craning of the neck. Ideal for those with medical issues that limit mobility. Read a book or watch TV without eye fatigue and physical neck strain.