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Description

Best Clip on Blue Light Blocking Glasses for Computer

Do you have following Symptoms of Digital Eye Strain?

  • Redness, irritation or dry eyes from staring at the bright backlight of screens for long periods; also reduced blinking;
  • Blurred vision due to screen glare;
  • General fatigue from staring at screens and straining to see small fonts and images;
  • Back and neck pain due to poor body posture when a screen is not positioned properly;
  • Headaches from repeated eye strain.
harmful blue light main sources

What is Blue Light?

In the light of the phone’s screen,It contains a high-energy blue light of 400-470nm,which can go straight to the yellow spot at the base of the retina,causing serious damage to the eyes.

What are the damaging of 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.

Where is main source of blue light ?

A main source of blue light in our lives is the harmful blue-violet light emitted by our digital screens.From TVs to tablets, and computers to phones, we’re constantly exposing ourselves to unnatural blue light.

If you want to know about secrets of blue light, highly recommend you to read this article Secrets of Exploring the Blue Light Filter

Why we trust in PERFECTSIGHT eye care glasses? And what PERFECTSIGHT blue light blocking glasses can do?

perfectsight clip on blue light blocking glasses lens color and main functions

√ Real Eye Care, 60%-70% Anti Blue Light,Tested By American Solar Light.

  • PERFECTSIGHT uses stealth radar absorbing material,after optical plating, the interception rate of high-energy short-wave blue light is about 70%, which reduces the damage caused by blue light to the eyes.
  • Reduce digital eye strains, dry eyes, headache, difficult sleep
blue light filter glasses 5 layer coating

√ Anti Reflection Coating Cut Glare & High Transmittance.

  • PERFECTSIGHT uses AR opticalthin-film interference to increase the visible light transmittance of the lens by 8%, and the reflected light of the surface is reduced from 8% to less than 1%, greatly enhances the contrast and sharpness of the lens in a strong light environment,anti glare and reflection.

√ High Definition Nylon Lens, Light Brown (Distortion less), Keep Origin Screen Color,High Stronger.

  • The lens is made of high quality aspherical HD nylon lens not PC low quality lens, which weighs like feather, and is more transparent in color, natural in visual perception.

√ Anti Fingerprint,Advanced Vacuum Evaporation.

  • PERFECTSIGHT adopts optical vacuum evaporation anti-fingerprint technology to evaporate the active principle to the surface of the lens and form a hydrophobic and oleophobic nano-scale film layer, which can effectively prevent fingerprints, oil and water-based stains.
Anti fingerprint blue light blocking lens

√ LIGHT WEIGHT & PINCH CLIP , EASY CLIP ON

  • These lenses are light as a feather with a minimalist design. The last thing you need is to add more weight and bulk to your glasses
  • Take them on and off easily with our “pinch to open” clip

Clip ons Blue Light Filger Glasses Tow Size for your choice

clip on blue light blocking glasses for computer size
https://www.perfectsight.co/wp-content/uploads/2019/06/clip-on-blue-light-filter-glasses-large-size.jpg
Clip on blue light filter Glasses Paremeter
Clip on Glasses SizeSmallLarge
Lens MaterialNylonNylon
Lens Complete Package1 anti blue light clip on(THE ATTACHED GLASSES ARE NOT INCLUED),1 soft and useful cleaning cloth;1 matched case.
clip on blue light blocking glasses complete package

PERFECTSIGHT Clip On Blue Light Blocking Glasses, Cut 70% Blue Ray Light Brown Resin Lens, Computer Reading Glasses,Anti Eyestrain/Anti Refletive/Anti Fingerprint,Sleep Better Warm Tips:

  • To help block above 60%-70% of the blue light and 99% of UV ray, the color of the lens is light brown because of the advanced electroplating technology.

 

  • PERFECTISHGT Eye Care Glasses Tested By American SOLAR LIGHT, approved by FDA Certificate, if not in fact,you could test the data of anti blue light glasses though sepcial optical instruments or institution

 

  • However eye care glasses of blue light filter on market only blocks up to 10%-20% of blue light from phone ,pad, computer’ screen , they couldn’t supply detailed data of blue light filter but also not tested by special optical instruments – spectrograph.

Method of Testing Anti Blue Light Lens

anti blue light lense test metrod
  1. The “colorless blue light blocking lens”or “light yellow blue light blocking lens” tested bythe “blue light torch” is a pseudoscience.
  2. Actually, the light source of the blue light torch has a wavelength of 380nm-400nm, which should be called purple light
  3. While the light source from computers, mobile phones, LED screens and other electronic screens has a wavelength of 420-465nm, which called high-energy short-wave blue light, and it is harmful to the eyes.
  4. So the colorless/light yellow lens will not block the harmful blue light, they can only block the purple light, even long-term wearing will not protect the eyes.

If you want to know more about blue light value of blue light filter glasses, highly recommend you to test though sepcial optical instruments “spectrometer” or institution like AMERICAN SOLAR LIGHT

Additional information

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