Varilux X Series Varifocal Lenses – X Design Here’s a very easy to understand, short video explaining about the difference between traditional varifocal lenses, and Essilor’s revolutionary new X Design Varifocal lenses. Often...
Source: Your Phone Might Be Making You Blind An interesting article about blue light from smart phones. You can read more here: https://www.reglazeglasses4u.co.uk/blue-light-blocking-lenses