What are red sunglasses lenses good for?
In the previous article, we discussed “What is the best sunglasses for big faces?”. In this article, let’s talk about “What are red sunglass lenses good for?”.
In fact, the choice of sunglasses lens color is also very important, and different colors have their advantages and disadvantages. So what color sunglasses lens is good? Can I wear sunglasses with red lenses? Does it hurt my eyes if I wear it for a long time?
Sunglasses with red lenses
Because red light has the longest wavelength in the spectrum, the red light will reach the retina first. Wearing red lenses will intensify the red light. When you are outdoors, especially under the sun, the red light will make the eyes fatigue very easily and may even produce a burning sensation to the eyes in severe cases. And the macula of the retina is the most sensitive part to light, so wearing red lenses may be harmful to the eyes. UV400 sunglasses can filter ultraviolet rays, but can not filter red light, so it is not recommended to use red lens sunglasses.(https://www.koalaeye.com/blogs/our-stories)
The dangers of red lenses
It is recommended that you change the lenses to other colors. Red lenses will fatigue your eyes if you wear them for a long time. In addition to fatigue, such glasses also have a serious color cast. In simple terms, they can also cause color errors and dangers. For example, it is easy to misjudge the color of traffic lights, and if they are used in the night driving, it will also cause danger due to too dark color.
Where are the red lenses suitable for
Red lenses are only used in special conditions for people with severe color blindness in China, and they are rarely used for general purposes. However, it is common in foreign countries that the red lenses measured by special-purpose spectrometers are mostly used in medical protective gear, which can filter out designated light waves, such as pulsed light special goggles, etc. However, they cannot be used for general purposes. Also, the lens material is completely different from those sold in general optical shops. Because general resin-stained films will gradually fade and attenuate, they are not suitable for medical protective gear.
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