The polycarbonate lens features an impact-resistant surface which can undertake over 1,000g of scratches. It will not turn yellow even when it has been used for a long time. This non-friable polycarbonate lens makes an ideal choice for spectacles.

• Diameter: 73/65mm.
• Internal-stress-free in the optical center.
• Non-friable.
• Compliant with FDA and OE.