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Can't wear sunglasses while driving, otherwise, it will prolong the driver's reaction time?

Answer 1:

      When a motor vehicle is traveling at a high speed, the driver's eyes will be exposed to light pollution such as strong light and glare brought by the surrounding environment, such as strong sunlight, reflected light from buildings, reflections from the front cover, scattered light from asphalt roads, and so on. Too much glare can make people unable to open their eyes and see what is in front of them. It can also cause eye fatigue and make it difficult for drivers to concentrate on road conditions for a long time, which is very dangerous.

      Ordinary sunglasses without a polarizing function can only reduce the brightness of the light entering the eyes, and there is no way to filter glare to prevent the damage caused by glare to the eyes. Therefore, it is recommended that you choose polarized sunglasses when driving, which can make the driver's vision clearer, thereby improving the driver's reaction speed and making driving safer.

       A polarized lens is a special lens with a special filter film added to the lens to allow only light in a certain direction to pass through. Just like the blinds we are familiar with, it can effectively filter the dazzling glare caused by strong light reflection, making the light soft and comfortable. At the same time, it improves the contrast of the color of the scene, makes the vision clearer, and relieves the pressure on your eyes.

      Therefore, compared with ordinary sunglasses, polarized sunglasses can effectively block the scattered light from the road and the reflected light of the city glass curtain wall. Wearing polarized sunglasses can make the driver's vision clearer, respond faster to road conditions, shorten braking time, and make driving safer.

      Finally, there are two points to note:

      Please do not choose sunglasses that are too dark, otherwise, it may affect your reaction speed to signal lights and the road environment when driving.

      Short-sighted drivers and friends can also consider a pair of polarized sunglasses with degrees, killing two birds with one stone, so that you can better enjoy the fun of driving and traveling, and enjoy the summer sunshine.

Answer 2:


     Although professional drivers wear something similar to sunglasses when driving, they are really not ordinary sunglasses but driving glasses. The biggest difference between driving mirrors and ordinary sunglasses is polarization and discoloration (strictly speaking, it is not discoloration, but changes in light transmittance - but this statement is not very accurate). Polarized light is to prevent the glare caused by driving towards the sun or the headlights of oncoming vehicles when the light is insufficient, and discoloration is to meet the visual needs of driving in strong light and dark places at the same time.

     Many people use ordinary polarized sunglasses or even ordinary sunglasses that do not even have a polarizing function because they do not understand or are reluctant to pay (good professional driving mirrors are very expensive). Since ordinary sunglasses cannot change color, they cannot be used at night when the road lighting is not good, and when entering a tunnel with poor lighting, if the driver does not take off the glasses in time, it is easy to be dangerous, especially when the driver just enters the tunnel. No difference with blind people.

       Of course, for most ordinary people, the road conditions they need to face are generally not too complicated, and at most, they can block the sun when it is under the sun. Therefore, ordinary sunglasses can handle it, as long as you remember to take them off in time in dark places.

       After thinking about it, I would like to add a few words here. If anyone encounters driving through a tunnel, especially an unlit tunnel in the wild, you must remember two things: the first thing is that when you exit the tunnel, the headlights must be Always driven to the outside and then turn it off. Don't stay in the tunnel. Turn off the lights when you can see clearly outside. If you see a car coming in from the opposite side, you must flash the lights and whistle; the second thing is to enter When you are in the tunnel, you must remember that the cars coming out of the tunnel may not have their lights turned on, and may not whistle for you, so try to slip and drive slowly when entering the tunnel, and be careful.