PhotoProtective Technologies use melanin to reduce risk of macular degeneration and cataracts in sunglass lenses uv protection.
All lenses are available with or without a prescription.
These lenses are the highest performance sun lenses available anywhere. Polarized sun lenses with melanin are a significant improvement over ordinary polarized sun lenses. Although polarized lenses reduce glare, they are not photoprotective. They also provide more comfort than ordinary polarized sun lenses because the most offensive part of the glare is the part that contains the violet and blue light. Night Vision lenses with melanin are also available.