red lenses glasses block close to 100% of both blue and green wavelengths. While many glasses block only blue light, recent studies have shown that lower wavelengths also have a significant effect on sleep patterns. Red lens glasses is not suitable for long time wearing, it is better for wearing before sleeping.
orange lens is good for long time gaming.
yellow lens is good for driving.
transparent lens can see the normal color of the world, but the blue light blocking rate is lower than other lens.
orange lens is good for long time gaming.
yellow lens is good for driving.
transparent lens can see the normal color of the world, but the blue light blocking rate is lower than other lens.