Product: SIGVAN 5-Pack Reading Glasses Blue Light Blocking,Anti UV Ray Fashion Square Frame Eyeglasses Women Men Computer Readers (5 Mix, 0.5)
Brand: SIGVAN
Color: 5 Mix

What is Blue Light? 
 
Blue light has a short wavelength and is likely to scatter, causing fatigue of the ciliary muscles, which are the adjusting muscles that adjust the lens, and may cause eye strain. 
 
Blue light can cause a wide range of risks including eye strain, sleep disorders, damage to the retina, dry eyes, stiff shoulders, and headaches. 
 
For those who operate smartphones and PCs or watch TV, it is recommended to take measures immediately with blue light blocking glasses. 
 
 ● Eye and body strain caused by blue light 
 
Blue light generated from PC and smartphone monitors causes health problems such as eye strain. 
 
SIGVAN Blue Light Blocking Glasses protect your eyes from all the blue light and UV rays generated in daily life, and prevent various health hazards. 
 

 
Material:Plastic, which has the characteristics of super lightness, abrasion resistance low friction coefficient and so on.
 
Note:
 
Due to the differences between different monitors, the picture may not reflect the actual color of the project. thank you！
 
It is a size used for manual measurement and may have an error of 0 to 1 cm, which is normal.Please refer to the actual size. 
 
We will do our best to solve any problems and provide you with the best customer services.
 
Thank you so much for support us!
 

 
HOW TO CARE
 
Never wipe the lens when they’re dry.
 
Please use neutral detergent or soap water to clean, gently wipe dry with a clean soft cloth.

BLUE LIGHT BLOCKING - SIGVAN Computer Readers blocks blue light, reduces glare and strain on your eyes from computers and other screens.It's great for alleviating discomfort and visual fatigue from long periods of computer use and other bright lights.
HIGH QUALITY MATERIAL - polycarbonate lenses reduce chromatic aberrations, restore true colors,lenses with accurate degrees, Temple with firm and flexible,excellent toughness, lightweight, and making these reading glasses not easy to be scratched.To ease your close reading pressure.
CLASSIC DESIGN - These square frame glasses with fashion style, Streamlined design frame with smooth legs more fit the shape of the head, shows your fashion and charming.is suitable as a fashion accessory and daily wear all year round.
VALUE PACK - 5 piece Readers for the great price! Great for home, office, or outdoor use. Keep a pair at your desk, in your bag, and in your favorite reading spots. Stylish Classic Square Fashion frame reading glasses updated with a fun and colorful design for a fresh look. Universal size fits most face shapes and your wearing.
60 DAYS MONEY BACK - 100% risk free to try any broken problem happens; just contact the seller without any hesitation to solve the problem until you are satisfied.You have no risk to try!

Search query: 1/2 eye frames without glass
Relevance: Substitute