Sunglasses Testing
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Assembled Spectacles Testing
Service background
Assembled Spectacles are composed of lenses and frames, which are important tools for correcting vision and protecting eyes. Qualified assembled Spectacles can help correct vision, prevent and treat exophthalmos and amblyopia, and prevent complications caused by high myopia. GTTC has complete testing ability to ensure that your products meet the safety, performance and quality standards of assembled glasses, and escort the visual health of consumers with you.
Consult immediately
Message consultationScope of testing
Myopia glasses, Reading glasses (Presbyopic glasses), Corrective glasses, etc.
Main testing items
Vertex power deviation of lens, Vertical imbalance of optical center, Direction of the cylinder axis deviation, Prismatic power deviation, Vertex power imbalance between two lenses, Deviation of horizontal distance of optical center, Optical center horizontal deviations of one-side, Transmittance properties, Material and surface quality of lens, Lens thickness, Frame appearance quality, Assembly quality, The top Gradient of Segment lens, Vertical positions (or heights) of the segments lens, Horizontal position of the segments lens, etc.
Sample requirements
2～6 pairs of sunglasses are required for the full inspection, please refer to the guidance of customer service staff for details, please confirm with customer service before samples are sent for inspection.
Testing period
Routine: 5 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
