Protective eyewear accessories fit onto existing safety glasses for a wide variety of benefits. Hang cords and retainers encourage safety compliance and help to prevent eyewear damage. Infrared flip-up lenses protect the wearer's eyes from glare and radiation. Slip-on side shields guard against peripheral damage. Other protective eyewear accessories include many different types of lanyards. Breakaway and double breakaway lanyards increase wearer safety in hazardous working environments.