Brown sunglasses

The tinted sunglasses can also block 100% of the ultraviolet rays, and the soft tones make people feel more comfortable, so that the eyes are not easy to fatigue. However, because it overlaps with the window and the film, it is not suitable for driving, and the film has blocked ultraviolet rays, and then wears brown sunglasses, which is not very effective.

Grey sunglasses

Gray sunglasses can not only isolate most of the ultraviolet rays, but also isolate a lot of infrared rays, which can be said to be completely isolated. It does not change the original color of the scene.

However, gray sunglasses can significantly reduce the light transmittance. Generally speaking, its light transmittance is between 8% and 40%. According to the national standard, this type of sunglasses is called a sun visor, which is dark sunglasses. One. Dark sunglasses will increase the driver's reaction time. Generally speaking, wearing dark sunglasses will increase the driver's response time by an average of 100 milliseconds. When driving at high speed, make an analogy to 120 km/h, which is 33.3 m per second. If you increase the reaction time of 100 msec, the equivalent is to open 3.3 m more, you only brake the car because the front Did not respond.

Green sunglasses

Green is the optical three primary colors, which can filter out the two primary colors, blue and red, other than green, which will cause significant chromatic aberration.

When driving, the green sunglasses will cause the red light in the traffic light to turn into a black light, which will affect the driver's judgment.