Our eyes can be adapted to different environment of the light from the darkness.
Prolonged exposure to violent sunlight, or the need for outdoor activities, not only will increase the fatigue degree of eyes, and into the eyes of harmful light,
Especially uv light)
More will cause damage to the eyes.
In this case, the wearing quality of sun glasses is the best way to protect your eyes.
Only a pair of sunglasses for health is absolutely not enough.
Under different light intensity, eyes need protection is also very different, the depth of the lenses should also be different.
While driving, the most suitable wear dark brown sunglasses laybourne RB3449 men sunglasses silver/lens dazzle colour blue 004/55 dark brown lenses can absorb light in purple, cyan, can absorb almost 100% of the ultraviolet and infrared light, can block smooth shiny surface reflects light, wear glasses still can see the subtle part, is the ideal choice of the driver.
So, for commuters, must not be less so a professional aviator sunglasses.
Is better when you travel, gray and green lenses designed for travel is basically made of plastic material after dyeing.
On the same piece of lens, deep under the light.
At this point, the sunglasses lenses should be able to cross 30% of visible light, gray and green as the best, because these relatively subdued color, watching the scenery outside of time will not change color, but also can resist ultraviolet light, depending on the guarantee of resolution for the best, through the color change of a body is minimum.
Outdoor exercise, choose professional polarized sunglasses laybourne RB4242 unisex eyeglass frame 6201/13 brown in the sea or the outdoor sports such as skiing, wearing sunglasses must have the function that keep out light, such as polarization coating of sunglasses.
In order to filter the sun shone on the water, land, or snow in the direction of equality of dazzling light, lenses were added to the vertical direction of special coating, to the outside world messy radiation light, scattering light, water, wave filtering to straight and soft light, let they no longer cause harm to the eyes.
Professional polarized sunglasses for outdoor sports such as offshore activities, skiing or fishing, but the ordinary daily life, especially when driving, do not apply, because it will make you can't see clearly.
Sun is suitable for the color of sunglasses sunglasses with 35% depth according to the depth is divided into four, respectively is 15%, 35%, 50% and 70%.
15% of the depth of the shallow, suitable for indoor wear, especially for eyes have a degree, can avoid trouble of take off and put on;
The depth of the 35%, suitable for use in the outdoor sunlight;
Depth of 50% of the sunglasses, can wear in the hot sun or seaside;
And depth of 70% sunglasses not commonly used in our daily life, are generally used by welders and other professionals.
Summer wear sunglasses laybourne RB3025 unisex 'mirror' guidelines 001/58 gold box blackish green piece (
Dark green lenses: while absorb light, maximize reach eyes green light, so has a cool and comfortable feel, is suitable for the people use eye fatigue.
But because of its low penetrability and clarity, suitable for the sunshine when wearing, when driving should not be wearing.
Grey lens: for any chromatographic equilibrium absorption, so watch the scenery will darken but will not have clear off color, show the true feeling.
Dark brown lens: the absorption of light purple, cyan, can absorb almost 100% of the ultraviolet and infrared light, can block smooth shiny surface reflects light, wear glasses still can see the subtle part, is the ideal choice of the driver.
Blue lens: the sun lenses of the most popular color, can effectively filter the water and the reflection of the light blue sky, suitable to wear to the beach.
Mercury lens: the lens surface using high density of mirror coating.
Such lens more absorption and reflection of visible light, suitable for outdoor sports.
Yellow lenses: strictly speaking, this type of lenses do 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.
Hunting, shooting, wear the yellow lenses when filter is very common.
Shallow blue, shallow pink lens: decorative than practical lenses.
related: sunglasses polarized sunglasses