The design is the main characteristic of an ophthalmic lens. Convergent, concave or progressive, there is a solution for everyone... The material, together with the design, creates the optical correction. Its mission, combined with coatings, is to make the wearer unaware he is wearing lenses... Several types of coatings can be added/layered to/on the lens to provide you better comfort : scratch resistance, anti-reflect, antistatic, anti-smudge... A tinted lens isn't necessarily a solar lens. Discover ESSICOLOR: all technologies and a great choice of tints in accordance with your needs and wishes.. Photochromic lenses have variable tints that change according to the intensity of natural light. Clear inside and in the evening, they quickly darken when outside. |