BUNOVIATA Optical Frame Women Vintage Blue Light Blocking Glasses Nerd Italy Designer Eyewear Medical Prescription Eyeglasse FramesANTI BLUE LIGHT COATED LENSES Designed with innovative lens that filters out the harmful blue light UV rays. The anti blue light&anti radiation coated lenses are best used for long hours of computer use to reduce symptoms of eyestrain and maintain natural sleep patterns. The original non prescription lenses can be replaced with progressive lenses at any store. Special Spring Hinge DesignThe temple add durable spring hinge, it increase the opening and