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The
original lens material. Rigid. Most are now scratch resistant
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Approximately 50% lighter in weight than glass in same power
prescriptions. Lenses may be coated to improve scratch resistance. Can
be tinted to any color with uniform density. and coated to filter
ultraviolet light |
The lightest material available. The most impact resistant, strongest
and safest material. Coated to improve scratch resistance. Absorbs 99%
of ultraviolet light. Up to 25% thinner and 35% lighter than plastic.
Recommended for children, when safety is the major concern.
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Thinnest lens material available. Designed to minimize thickness and
improve the cosmetic effect of the glasses Scratch resistant coated. UV protection inherent in this lens material |