JESOHO Anti Blue Light Screen Protector for iPhone, 3D Full Coverage Tempered Glass Film (For iPhone 7 Plus/8 Plus, Black-Filter Blue Light (upgrade))
Brand: JESOHO
Color: Black Anti-blue light (upgrade)

JESOHO Tempered Glass Screen Protector: The Best Protection For Your iPhone.
Fit for:
For iPhone 7 Plus and iPhone 8 Plus black, 5.5 inch
What is Blue Light?
In the light of the phone's screen,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.
What are the problems with blue light?
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.
Why you should choose Anti-Blue Light tempered glass screen protector?
Blue light sources are becoming increasingly common in today’s environment. Exposure to blue light comes from a variety of technologies including computers, smartphones, televisions, and lights.
Blue light exposure has been shown to impact health. Natural exposure to blue light during the daylight hours boosts people's energy, alertness and mood. However, elongated exposure to the waves transmitted through screen devices during the evening can disrupt circadian rhythm and cause various health effects including a disruption in normal sleep schedules.
It is possible that chronic daily exposure to blue LEDs could pose similar ocular risks to humans . Additionally, the severity of retinal damage has also been shown to vary by time of day.

【Filter Blue Light】It is made of imported anti-blue light material, which can block a part of harmful blue light with wavelength between 380-450nm, reduce eye strain and protect your eyes.
【3D Full Coverage】Specially designed for iPhone 7 Plus and iPhone 8 Plus (5.5"). The edge of the screen protector adopts a 3D design, which can cover the round edge of the phone screen, edge to edge, to provide complete protection for your phone.
【High-definition】The screen protector is made of high transmittance tempered glass, which will not change the original image quality of the phone while blocking harmful blue light. It will not affect your selfies and Face ID. When the phone is turned on, the screen protector will display the original image quality of the phone, and when the phone is turned off, the screen protector will display light purple.
【High-quality nano layer】There is a high-quality nano layer on the surface of the screen protector, which makes it smoother when you use your phone.
【What do you get】2 x Anti Blue Light Screen Protector, wet/dry wipes, dust removal stickers, installation instruction.