Phillips Safety FTO Fitover Laser Goggles with Filter 55 for High Attenuation Multi Wavelength Protection Starboard Bed Safety Support: Helps reduce Type_Hose Extension Bed Safety Support: Helps reduce injury risk during movement or repositioning Handy push button tare simplifies weight determinations these goggles eliminate the need for expensive custom prescription safety lenses while maintaining the rigorous protection standards required in high energy laser environments The Phillips Safety FTO Laser Safety Goggles with Filter 55 are engineered to solve the primary challenge faced by medical and industrial professionals who require high level optical density without sacrificing the use of their corrective prescription eyewear