Below FAQ are some common concerns of our clients before purchasing the theme, if you have other questions, please just send it to
Blue light is the strongest light within the visible ray spectrum, and it has enough energy to penetrate straight through, passing the cornea and crystalline lens of the eye without being absorbed, and reaching the retina, which can cause it to deteriorate. Exposure to blue light for long periods of time can stimulate the ciliary muscle, causing the eye pupils to contract. This can cause a series of symptoms such as eye tired, eyestrain, dry eyes.Blue light exposure can also lower melatonin levels associated with deep, peaceful sleep.
Cyxus blue light blocking lens is made of aviation grade PC material. Compared with the mainstream resin lenses in the market, the PC lens is lighter, more ductile, not easy to break, impact resistant, not easy to turn yellow, certified by US FDA certification, Drop Ball Test, CE certification, SGS RoHS certification, comply with European EN14139::2010 international standards. Lens quality are guaranteed.

Cyxus blue light blocking lens are different from those coating anti blue ray or adding anti blue light pigment lens on the market.

Cyxus lens are designed using the American HEV-Adsorb substrate absorption technology. It can absorb high-energy blue light and provide 100% UV protection. Thus, The lens can be made of a fully transparent base, without adding any pigment, while maintaining high light transmittance, the lens is less reflective, does not affect reading, and almost no color difference.

All Our products are sold in the USA, Canada, Mexico, Europe, South America, Oceania, Asia and Africa. You could order our products on, Amazon(including US, CA, MX, UK, DE, FR, IT, ES, AU, JP, CN), Walmart, eBay(including US, UK, AU), Souq, Lazada(including MY, PH, SG, TH, ID), Wish, Shopee, Tmall, JD and all kinds of retail stores all over the world. Cyxus provide worry-free lifetime warranty(no man-made) and friendly customer service.
Your satisfaction is of the utmost importance to us, and we do everything we can to ensure that your experience at Cyxus makes your life a little easier. If you are dissatisfied with your purchase from Cyxus, please contact us through or visit our Cyxus Return Policy page.
Yes. For more info you can check out our  wholesale page.
Thank you for your interest in working with us! You can send your media kit to
Yes, if you contact us within the first 24 hours after you've placed these orders.
You will receive a shipping confirmation email that will include a tracking number and tracking link of your specific shipper. Additionally, you can track your package directly at:



A full list of the countries where we ship glasses is available on the Payment Page. When you click on the Country drop-down window, you will see the list of countries.
Sure! Just make sure the shipping address selected is where you want the glasses to be delivered.
Immediately contact our Customer Service We will work with you to get your damaged glasses replaced with a new pair as soon as possible.