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World’s First Low Visual Fatigue Certification Service

The low visual fatigue certification – the Weighted Visual Fatigue (WVF) index – is based on applicable international standards.

SGS has joined forces with the China National Institute of Standardization (CNIS) to launch the world’s first low visual fatigue certification scheme.

SGSSGS and CNIS have worked in collaboration to develop a ground-breaking certification scheme that provides greater support to the electrical and electronic (EE) industry as it addresses changing market demands and greater consumer health concerns relating to visual fatigue from using electronic devices.

The low visual fatigue certification – the Weighted Visual Fatigue (WVF) index – is based on applicable international standards, general industrial specifications and accumulated data. Products are evaluated according to the level of visual fatigue they cause during use.

Uniquely delivered by SGS, certification assessment involves the objective optical testing of displays, simulating human visual perception for blue light and flicker evaluation, as well as human factor testing using volunteers to assess brain activity, eye movement and visual function via electroencephalogram (EEG) and Critical Flicker Frequency (CFF) tests.

Jeff Zhao, General Manager of the Connectivity & Products of SGS-CSTC, said: “We are delighted to launch this innovative certification service, combining objective testing with subjective experience, to comprehensively evaluate the level of eye fatigue that a person will experience when using a display screen.

“Through this collaboration we hope to guide the industry in developing and promoting products that offer consumers a safer and healthier user experience.”

In May 2022, Huawei became the first organization to take advantage of the new certification when its MateView SE monitor received the certification following strict objective performance testing by the SGS team.

HUAWEI MateView SE is a 1920×1080 Full HD resolution monitor with eye protection and wide color gamut. The IPS panel supports a viewing angel of 178-degree and 90% P3 color gamut (100% sRGB color gamut). It is the first Huawei monitor to have the eBook Mode, a display that creates a paper-like reading and editing effect. Its WVF index is 3.142, meaning that the product causes a very low level of visual fatigue after 40-minutes of use.

SGS will continue to work in collaboration with CNIS in developing testing solutions for electronic products and supporting the EE sector with far-reaching solutions that help companies deliver higher-quality products to global markets.

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Nitisha Dubey

I am a Journalist with a post graduate degree in Journalism & Mass Communication. I love reading non-fiction books, exploring different destinations and varieties of cuisines. Biographies and historical movies are few favourites.

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