Eyewear (IMAGE) ETH Zurich Caption In winter, face masks can lead to fogged glasses. Here, the left lens (right from the reader’s perspective) has the new antifogging nanocoating. The other lens is uncoated. Credit ETH Zurich Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.