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 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:
Blue Light Protection
It has been discovered that certain ranges of blue light (405-450 nm) are very harmful to the eye. There are now specific treatments to block the harmful parts of the spectrum, as well as materials that actually absorb them.