China Flat Top Photochromic Lens Factory –  Monomer Blue Block Photochromic Bifocal  – YOLI

China Flat Top Photochromic Lens Factory – Monomer Blue Block Photochromic Bifocal – YOLI

China Flat Top Photochromic Lens Factory – Monomer Blue Block Photochromic Bifocal – YOLI

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" plus the theory of "quality the basic, have faith in the main and management the advanced" for Optical Uncut Lens , Progressive Lenses , Flat Top Bifocal , We respect your enquiry and it truly is our honor to operate with each friend around the world.
China Flat Top Photochromic Lens Factory – Monomer Blue Block Photochromic Bifocal – YOLI Detail:

Photochromic lenses

Photochromic lenses are smartly crafted to automatically adjust from clear to dark (and vice versa). The lens is activated by UV light and eliminates the need to constantly switch between your eyeglasses and sunglasses. These lenses are available for both Single Vision, bifocal and Progressive.

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Bifocal lenses feature distance vision correction at the top half of the lens and near vision correction at the bottom; perfect if you need help with both. This type of lens is designed to conveniently work as both reading glasses and standard prescription eyeglasses.

Bifocal lenses work by providing two different prescriptions in one lens. If you look closely at this type of lens you‘ll see a line across the center; this is where the two different prescriptions meet. Since we tend to look down when reading a book or looking at our phones, the bottom half of the lens is designed to help with reading.

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The Dark Side of Blue Light

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Blue light, emitted by the sun, but also from the digital screens we’ve become so attached to, not only causes eye strain (which can lead to headaches and blurry vision) but may also disrupt your sleep cycle.

The study, published in June 2020, found those adults averaged 4 hours and 54 minutes on a laptop before the lockdown and 5 hours and 10 minutes after. They spent 4 hours and 33 minutes on the smartphone before the lockdown, and 5 hours and 2 minutes after. Screen time went up for television watching and gaming, too.

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Photochromic Blue Block Bifocal Lenses-The convenient choice

When you wear blue block photochromic lenses, you’re not just reaping the benefits of convenience; you’re guarding your eyes against detrimental over-exposure to blue light. And the Bifocal design spares you trouble of carrying two pairs of glasses if you have the problem of one glass for nearsighted use and the other one for farsighted use.

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Product detail pictures:

China Flat Top Photochromic Lens Factory –  Monomer Blue Block Photochromic Bifocal  – YOLI detail pictures

China Flat Top Photochromic Lens Factory –  Monomer Blue Block Photochromic Bifocal  – YOLI detail pictures

China Flat Top Photochromic Lens Factory –  Monomer Blue Block Photochromic Bifocal  – YOLI detail pictures

China Flat Top Photochromic Lens Factory –  Monomer Blue Block Photochromic Bifocal  – YOLI detail pictures


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All we do is usually connected with our tenet " Customer to start with, Rely on initial, devoting on the food packaging and environmental protection for China Flat Top Photochromic Lens Factory – Monomer Blue Block Photochromic Bifocal – YOLI , The product will supply to all over the world, such as: Seattle, Hungary, Auckland, Due to the stability of our products, timely supply and our sincere service, we are able to sell our products not only over the domestic market, but also exported to countries and regions, including the Middle East, Asia, Europe and other countries and regions. At the same time, we also undertake OEM and ODM orders. We will do our best to serve your company, and establish a successful and friendly cooperation with you.
  • We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
    5 Stars By Edith from Toronto - 2017.10.25 15:53
    The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Lee from Cannes - 2018.05.13 17:00
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