Origin: CN(Origin)
Lenses Material: CR-39
Gender: MEN
Model Number: sh078
Lens Width: 54MM
Frame Material: Acetate
Lens Height: 39MM
Certification: CE
computer glasses: computer glasses
blue light blocking glasses: blue light blocking glasses
blue light blocking glasses vintage: blue light blocking glasses vintage
lens: Orange blue light lens
lens b: polarized drving lens
here glasses function for blue light blocking. 3 type blue light lens you can choose it.
Although the concept of anti-blue light has been popular for many years, there are still many people who do not fully understand it. Only know or see that blue light pens are tested to filter harmful blue light. But don't know how much to filter? How much is appropriate? It's also blue light resistant and can pass the most basic card tests. It doesn't prove that it functions up to par. This test is the easiest and useless. .
According to our test, as long as it can filter 10% of blue light, it can pass the above test. So this test is useless. For clear lenses, at least 20% of blue light needs to be filtered to be effective. For people who work under blue light for a long time, some need to filter more than 70% of blue light. This can be achieved with the help of tinted lenses.
The video below is a simple spectrometer testing process. Obtain three sets of data, orange lens, yellow lens, transparent anti-blue lens. We can see that are: 0.1, 23.5, 72.3. Indicates that only 0.1% of blue light can pass through the orange lens. Filter out 99.9%. The pass rate of yellow lenses was 23.5, and the filter rate was 76.5%. Clear lenses pass 72.3% and filter out 27.7%.
please check this video. more langauge we will share the link here. easy to understand it.
Orange full blocking blue light glasses
when you working long time with blue light. like computer , Phone or others. some time you need blocking blue light more than 90%. this lens can do it for you . normal lens is 0 degree. please noted custom reading or myopia prescription customized
yellow blue light or night vision for driving
yellow lens 0 degree we use resin lens . custom we use polarized resin lens. can make degree according your prescription.
custom need change shipping time
the Orange lens not keep in stock with degree. so. when you need custom. we will take two weeks around make the lens.
C1 win red
blue light blocking glasses Decorative glasses blue light glasses, night vision driving glasse
C2 black blue
blue light blocking glasses Decorative glasses blue light glasses, night vision driving glasse
C3 black
blue light blocking glasses Decorative glasses blue light glasses, night vision driving glasse
C4 brown
blue light blocking glasses Decorative glasses blue light glasses, night vision driving glasse
C5 clear grey
blue light blocking glasses Decorative glasses blue light glasses, night vision driving glasse
Description:
During the trial-wearing process of prescription glasses, it takes about a week to adapt. Some discomforts that begin to appear are normal, such as dizziness, eye swelling, distortion, etc. These symptoms usually disappear within two days. Anyone who wears glasses knows it. If you still cannot adapt within a week. Please contact our customer service. But it must be worn so that the eyes can adapt to the new frame.
about how to order prescription eyeglasses . please check this video. get some idea.
English: https://youtu.be/a0gdIT8vLVg
Brazil: https://youtu.be/i7L1KgrM764
RUSSIA :https://youtu.be/uOkfMCJg2y4
español：https://youtu.be/AwCQRZhyq_I
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