A lens treatment is a special additive that either bonds with the lens, or is built into the lens during the lens manufacturing process. Lens treatments such as UV protection or anti-scratch treatments, are available as individual additions to lenses, and are also commonly bundled into single lens products for convenience and maximum benefit to your eyes.
Common Lens Coatings & Treatments:
The UV rays in sunlight can be harmful to the eyes. Lenses that block 100% UV help to ward off various eye conditions and damage.
Scratches on lenses are distracting, plain and simple. And they can interfere with lens performance. Scratch-resistant treatments imbued into the lens surface toughen up the lenses making them more durable.
For fashion, comfort and clarity anti-reflective treatments are the way to go. They make the lens nearly invisible, and cut glare from headlights, computer screens and harsh lighting.