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Optical Products > Trivex > Performance > Strength & Protection > Strength & Protection
Strength & Protection
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For the demands of everyday living, eyeglass lenses need to provide protection from unexpected impact, breakage and from the sun’s harmful UV radiation. Unexpected physical contact can happen at any moment. Trivex provides high-impact resistance when it is needed most—for example, during participation in sports or in an active work environment.*
The high tensile strength and durability of Trivex—plus its stress-free characteristics—make it an excellent choice for drill-mount frames and any lightweight fashion frames that rely on lenses for structural rigidity.
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Trivex® Material |
Standard Plastic CR-39TM |
Polycarbonate |
High & Ultra-High Index |
Strength & Durability ANSI Z-87.1 High Velocity Impact Test |
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ANSI Z87.1 High-Velocity Impact Test: The American National Standards Institute (ANSI) has established one of the most stringent impact and projectile penetration standards for optical lenses. The standard specifies that high-impact lenses must pass “high-velocity” testing where 1/4-inch steel pellets are “shot” at the lens at a velocity of 150 feet-per-second. Lenses made from Trivex material pass the ANSI Z87.1 High-Velocity Impact Test and the FDA Drop Ball Test.*
100% UV Absorption: Long-term exposure to the sun’s ultraviolet radiation (UV) is a growing concern among eyecare and healthcare professionals. UV radiation can have damaging short-term and long-term effects on essential parts of the eye. Making matters worse is that the wavelengths that pose these problems fall aren’t even visible to the naked eye. Fortunately, Trivex has built-in UV protection, which blocks 100% of harmful UV rays.
Chemical Resistance: Another remarkable feature is that Trivex stands up to the common chemicals people use everyday. While some lenses will craze, crack or show other damage when exposed to household products like bleach and nail polish remover and optical solvents like alcohol and acetone, lenses made from Trivex material can withstand normal exposure amounts.
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| NXT® POLARIZED SUNLENSES |
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Learn more about NXT lenses – the world's first polarized lenses made with Trivex material. | |
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