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How to Choose the Right Lenses | 7 Different Types of Eyeglass Lenses on the Market Oct 08 , 2024
1. Resin lenses: a type of lens made of organic materials CR-39, scientific name Dially Glycol Carbonates, is the most widely used material for producing ordinary resin lenses. It was discovered by ch...
How to check the quality of sunglasses | Five steps to show you the quality inspection process of sunglasses Oct 08 , 2024
Inspection Standard for Sunglasses Section 1 Measure Requirement 1.0 Critical Measurement Check Points -Measurement shall not exceed&nbs...
A Complete Breakdown of the Quality Control Process in Eyewear Manufacturing Jun 12 , 2025
Why Quality Control Matters in Eyewear Manufacturing Have you ever bought a pair of sunglasses only to find the lens scratched, the arms loose, or the fit just… off? That’s where quality ...
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check the quality of eyeglasses