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Blue light is divided into harmful blue light and beneficial blue light.

Harmful blue light can cause eye discomfort.

The beneficial blue light can promote the secretion of melatonin, allowing you to have a better sleep.

If the beneficial blue light is over-blocked, it will aggravate visual fatigue. Features & details Features [Anti Blue Light Glasses]Our anti-blue light lens adopts double protection technology, not only coating the surface of the lens with anti-blue light layer, but also adding blue light factor into the basic material of the lens, which can block harmful blue light more effectively for a long time. [HD Polycarbonate Lens] With anti reflection high-definition lens and no color difference,allowing the eyes to see clearly, and to be sure that co