ProCare™ Anchorage™ Visitors Spec Anti-Fog Lens Make your visitors feel safe and welcome, economically. Keep a supply of the Anchorage glasses on hand for your expected and unexpected visitors. Its universal size is designed to fit over most prescription eyewear. Vented temples provide airflow and comfort to the wearer. 2.2 mm thick polycarbonate lens provides outstanding impact protection. Meets ANSI Z87.1 2003 standard for high impact eyewear.