Solaires : comment fonctionne l’E-SPF ?
19 juillet 2017Optics Professionals: The key moment to sell your sunglasses has arrived. But for the general public, it can be complicated to find among the various protection indices offered by eyewear. To better inform them, Essilor created, a few years ago, the E-SPF: an index inspired by solar cosmetics. We will explain everything to you ! […]
Read more