Trivex is a new lens material that has become the best thing that has ever happened to sports eyewear. Originally developed for military applications, Trivex is stronger, clearer, and lighter than polycarbonate. Most importantly for sports applications, Trivex minimizes distortion called "chromatic aberration", which is distortion that occurs when objects are viewed away from the optical center. This has drawn over into everyday applications for people who will accept no sacrifice in durability, weight, impact resistance, or high quality vision.
Chromatic aberration is best measured by its "Abbe value." In prescription eyewear, a higher Abbe value indicates less distortion as your gaze moves away from the center of the lens. Trivex has an Abbe value of 43, while polycarbonate has a value of 30. Trivex has better scratch resistance than polycarbonate. Like polycarbonate, Trivex includes 100% UV protection, and is recommended for children, sports wearers, safety glasses, and rimless frames. (Recommended prescription range: up to –3.00 or up to +3.00)
Note: Polycarbonate or Trivex lenses are required by law for children under 18, for those whose sight is limited to one eye, and to those in certain occupations which require shatter-resistant lenses including police officers and firemen.
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