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Lens Material Choices:
Plastic CR-39 - This lens material is the most economical. Plastic is the least impact resistant of the lens materials offered
Polycarbonate: This material is 20-30% thinner and lighter than CR-39 plastic. Polycarbonate is the most impact resistant of any lens material and is strongly recommended for use in active sports. Scratch resistant coating is included.
Polycarbonate 1.0 - this is the thinnest, lightest lens material offered. This is recommended for stronger prescriptions. Scratch resistant coating is included.
HI INDEX Plastic- Hi Index lacks the impact resistance of polycarbonate 1.0 but is comparable in thickness and weight. Hi Index is considered to have to have the best optics available in a thin lens design
Product Code: PRO Z PRESCRIPTION INSERT
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