Introducing the changeOhook glasses! These extra special glasses will change NASA forever. We all know that astronaut’s eyes change in space. These glasses feature lenses that are easy to change, allowing compensation for changes in your eyes. You can bring a variety of lenses you might need in space and change as needed. The glasses also have hooks at the end to hold them on your face in zero gravity. Now you don’t have to worry about losing your glasses in space!