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.
Hawkeye Inspections provides performance and lab testing for all categories of eyewear, eye protection, and ophthalmic products, including:
Ophthalmic Optics:
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Optical lenses
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Spectacle frames
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Ready-to-wear readers
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Spectacles with mounted lenses
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Coated ophthalmic lenses
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Safety spectacles with ophthalmic lenses
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Personal Protection Equipment:
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Sunglasses with sun glare filters
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Ski goggles and performance eyeglasses
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Swimming goggles
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Motor-cycle and snow-mobile goggles
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Protective filters
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Eye and face-protectors
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Hawkeye Inspections provides a wide range of performance tests and lab tests for all types of eyewear, including prescription glasses, reading spectacles, fashion eyewear (tinted and clear), sunglasses, ski and safety goggles, and more. We can help you ensure that your product meets the quality and safety requirements of your destination market, as well as all applicable international standards.
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Frame and mechanical testing:
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Measuring system and Dimensional tolerance
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Dimensional stability at elevated temperature
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Mechanical stability: Bridge deformation and lens retention
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Endurance
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Screw thread and tolerances
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Bridge Strength test
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Frame size and tolerance
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Hinge durability test
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Spring-hinge mechanical test
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Spring pull-out tensile test
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Hinge Strength (inclination bending) test
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Frame material tensile test
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Frame flexibility test
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Coating against bending test
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Compression test (Swimming goggles)
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Sit and Fit
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Thermal stability
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Lateral protection
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Eye coverage and temporal protection
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Field of View
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Lens size, thickness and curvature
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Lens and optical testing:
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Optical power (spherical, astigmatic, prismatic power) by telescope 20X (ISO, EN and AS/NZS) and telescope 8X (ANSI and ASTM)
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Ophthalmic lens – refractive properties on single-vision, multi-focal and progressive lenses
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Prismatic difference (EN) and prismatic imbalance (ANSI)
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Resolving power (ANSI)
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Optical density
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Luminous transmittance, UV transmittance, blue-light transmittance
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Spectral transmittance and driving lens requirements
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Near Infrared and Infrared transmittance
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Anti-reflection luminous reflectance %
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Scattered light test (light diffusion)
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Wide Angle Scattered light (haze)
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Lens surface and material quality by light-box / grid panel / lens-meter scanning, etc.
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Mounted lens quality – tension and edging quality
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Lens mechanical strength for minimum robustness
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Plane of polarization axis (for polarized lens, uncut and mounted)
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Durability test for anti-abrasion (hard-coating treated) lenses
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Anti-fogging test
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Resistance to fine particles damage
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Impact, radiation aging, and flammability testing:
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Drop ball test
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Enhanced robustness
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Increased robustness test
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Penetration test
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High mass test
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High-velocity test
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Resistance to high speed particles (HSP) – low / medium / high energy capacity
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HSP at extreme temperature
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Impact resistance: Low / Medium / High / Extra-High capacity
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Drop test
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Impact test
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Resistance to optical radiation and UV stability (lenses/filters)
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Resistance to radiation (color fastness of frame)
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Resistance to UVA/UVB radiation and water exposure
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Flammability test
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Ignition test
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Permanence tes
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In Factory: Hawkeye Inspections Unique Eyewear Expertise for Product Inspections
After random sampling of products in the factory, our specialized eyewear inspectors will carry out the following physical and mechanical tests to ensure the quality and performance characteristics of your product:
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Frame size and major dimensions
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Mechanical stability
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Front deformation
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Lens retention
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Hinge functionality
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Frame color, finish and construction
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Lens color and surface quality
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Frame adjustment and assembling quality
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Frame marking and information
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A complete detailed report will be sent to you by email, and will be accessible on your online and mobile accounts on the same day as the inspection is performed, allowing you to make the best decision about your products’ shipment.
