Entwth Anti Blue Light Tempered Glass Screen Protector[2 Pack] for Switch Lite 5.5-inch[Eye Care,Relieve Eye Fatigue]Blocks Excessive Harmful Blue Light & UV 9H Anti Glare Anti-Scratches

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About Entwth Anti Blue Light Tempered Glass Screen

Anti Blue Light Tempered Glass Screen Protector for Switch Lite 5.5-inch. Entwth Eye care tempered glass guard screen protector make it possible to enjoy playing with electronic devices and healthy life. What is Blue Light? Research shows that blue light mostly exists in the rays of light emitted from electronic device displays,such as mobile phones ,computers ,vidio games and so on.It is emitted from LED screens from devices such as mobile phones,It contains a high-energy blue light of 450-470nm,which can go straight to the yellow spot at the base of the retina,causing serious damage to the eyes. Prolonged use of electronic device displays will cause: 1.Vision drop or loss. 2.Eyes fatigue,dry,tingling and other phenomena. 3.Visual fatigue aggravates the lesion of macular region. 4.The night's screen disturbs sleep. What is UV? Devices with LED screens release a form of invisible UV, which can make your skin dry,cause the melanin precipitation on your face. Why should you choose an Entwth Tempered Glass Screen Protector? Entwth Tempered glass guard screen protector blocks 90% of the harmful blue light ranging from 380nm-420nm ,helps to reduce eye fatigue and the possibilities of the likely symptoms caused by blue light.The also blocks 98% UV blockage 310nm-380nm,It can protect your skin and prevent from dry skin, Chloasma, and freckle caused by ultraviolet reflection. When the anti blue light film is in the white background, it will be a bit yellow. and when the anti blue light film is in the black background, it will be a bit purple.The color we see is the result of interferometric reflection processing of light.Compared with the health of the eyes, this is totally acceptable. NOTE:Not fit for Switch 6.2-inch.