Sunglasses Testing
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Spectacle Lens Testing
Service background
Lenses are the core carrier of the functional properties of glasses, which can adjust refractive or luminous flux, and play an important role in vision correction and eye safety. GTTC has advanced lens testing equipment, a professional talent team, and full project testing capabilities for domestic and foreign standards, which brings all-round quality assurance to customers.
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Message consultationScope of testing
Single vision, multifocal, progressive power spectacle lenses; Myopia lenses, Presbyopic lenses, Sunglasses lenses; Driving lenses, Photochromic lenses; Anti-reflection coating lenses; Anti-blue lenses, etc.
Main testing items
Vertex power, Direction of the cylinder axis, Addition vertex power, Optical center and prismatic power, Coating uniformity, Geometrical dimensions, Luminous reflectance, Mean reflectance, Surface quality and internal defects, Coating abrasion resistance, Salt water test, Low temperature test, High temperature test, Coating adhesion force, Transmittance properties, Refractive index, Abbe number, Resistance to radiation, Resistance to ignition, Impact resistance property, etc.
Sample requirements
Generally 2-5 pieces, please refer to the guidance of customer service staff for details, please confirm with customer service before sending samples for inspection.
Testing period
Routine: 2-3 working days. If urgent, please consult customer service.
Service process
Click“"service process" ”to view detailed instructions.
Preparing samples
On-site inspection or express delivery
Notice payment
Issue report
