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SHINU-2021SHINU EYEWEAR Production Parameters Model number: 2021 Department: women and men Frame material: TR What is blue light? Electronic products that people use every day, such as computers, smartphones, tablets, and LED TV displays, emit a significant amount of blue light. With the increasing popularity of these electronic devices, everyone's exposure to blue light is dramatically rising. The wavelength of visible light ranges from 380 to 580 nm. High

The wavelength of visible light ranges from 380 to 580 nm

and night vision driving eyeglasses

The Dimension: frame(138*38mm) lens(52*37mm) bridge(19mm) arm(145mm)

eye swelling

00) with ADD +1

You can enjoy restorative deep sleep with blue light spectrum elimination technology from THL Sleep

**Important Note on Sizing:**

Myopia Lenses:material-CR39/Anti blue lens

This pair of glasses is a versatile option that includes anti-blue light computer glasses

or for work

please consider ordering anti-blue light progressive multifocal lenses

Please check the size carefully to ensure a proper fit for your face