Glasses are divided into many types, have myopia glasses, reading glasses, sports glasses, of course, the sun glasses, glasses science small make up today to introduce the knowledge of the sun glasses lens.
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Grey piece: grey lens for any chromatography can balance absorption, so watch the scenery will only dim, but do not have clear off color, show your natural feeling.
Belongs to a neutral color.
Dark brown lens, filter out a lot of blue light, which can improve visual contrast and clarity, under the condition of air pollution to punish or foggy wearing effect is better.
Generally can block smooth shiny surface reflects light, wear glasses still can see small part, is the ideal choice of the driver.
Green lens: the absorb light at the same time, maximize reach eyes green light, so has a cool and comfortable feel, is suitable for the people use eye fatigue.
: blue grey lens and gray lenses are similar, both belong to the neutral lenses, but darker, visible light absorption rate is higher.
Mercury lens: the lens surface using high density of mirror coating.
This lens more absorption into the reflection of visible light, suitable for outdoor sports.
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Yellow lenses: strictly speaking, this kind of lens does not belong to the sun glasses, because it almost does not reduce the visible light, but in the foggy and at dusk, the yellow lenses can improve contrast, provide more accurate video, so also known as the night vision goggles.
Some young people wear yellow lenses 'sunglasses' used as decoration.
Shallow blue, shallow pink lens: the same is more practical than decorative lenses.
Dark green lenses: absorb heat, bring cool and refreshing feeling, but low penetrability and clarity, fit to wear when basking, when driving should not be wearing.
Blue lens: the seaside beach fun to wear the blue lenses, can effectively filter the water and blue sky reflected light blue.
Drive should avoid to use the blue lenses, because it allows us to distinguish between the color of the traffic signal.
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