They can be made with CR-39, polycarbonate, or high-index lenses. Trivex lenses ($200 for single vision, $400 for progressives) are more scratch-resistant than either CR-39 or polycarbonate lenses.

The frames are fitted with lightweight and shatterproof polycarbonate so there’s no issue here with robustness. Equinox Blue Light — $66 Image used with permission by copyright holder ...

WebMD explains different types of eyeglass lenses and lens coatings, ... Polycarbonate. These impact-resistant lenses are a good choice if you play sports, ... gold, and blue. Eyeglasses for Children.

Some worry blue light damages the eye, resulting in gradual vision loss and discomfort. Johnson & Johnson's new contact lenses claim to change that. Share on Facebook (opens in a new window) Share ...