Page 3 - 2018 Scheyden Eyewear Catalog
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LENS TECHNOLOGY & MATERIAL
Polarized 8-layer coating
Non-Polarized 6-layer coating
Clear Mineral Glass
The benchmark in optical clarity.
Advantages: superior clarity; excellent scratch resistance. Clean your lenses with your shirt? Glass is for you. Weaknesses: slightly heavier; can chip or crack. Scheyden’s multi-layer lens coatings dramatically increase hardness and scratch resistance. 100% UVA and UVB protection.
CR39 High Clarity Polymer
Advantages: Ranks nearest to glass in clarity of any polymer; very light weight; excellent for prescriptions. Weakness: Much less scratch resistance than glass. Scheyden’s multi-layer lens coatings dramatically increase lens hardness and scratch resistance. Provides100% UVA and UVB protection.
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