Quality Control

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QC Tailored for the Eyewear Industry

Eyewear is a broad category that includes everything from spectacles to performance eye protectors. Depending on the type and intended purpose, different quality standards may apply to different eyewear, but durability and product safety remain important considerations across the board.

We provide a two-tier process for quality assurance of your eyewear. Product Inspections in the factory are used to check your product’s performance characteristics, while Lab subjects frames and lenses to a variety of mechanical and optical tests.

Frame Style Check

Compare frame with approved samples to check any deviations on style, rimmed or rimless, model, number, etc.

Frame Color

Compare color with approved samples or specified values in the Pantone color chart.

Eye Size and Dimensions

Verify that the eye size and related dimensions are according to specifications and/or are the same with approved samples.

Bridge Check – Check that the bridge of the frame is the same in thickness, shape, material, and color with contractual specifications or approved samples.

Cosmetic Defects Check

Inspect eyewear for any sign of manufacturing defects and handling damage including scratches, chips, coating pits, drips, and blemishes.

Packaging

Check that retail and shipper’s packaging are in accordance with existing regulations and contractual specifications.

Coating

Verify the use of approved coating and finishing materials to provide or enhance a variety of desirable properties such as hardness, color, anti-reflectance, water resistance, abrasion resistance, static resistance, and UV protection.

Frames

Verify the use of specified materials for the production of spectacle frames.

These materials may include carbon fiber, plastic, rubber, and light metal alloy.

Abrasion Resistance Check

Evaluate the propensity of product to resist abrasion using test procedures appropriate to the materials and coating used.

A common test is to forcefully rub the lens with a clean cotton cloth by hand and check for scratches or transfer of color.

Spectral transmittance and driving lens requirements

Lens surface and material quality by light-box / grid panel / lens-meter scanning, etc.