Types of glasses
Sunglasses are available with different lenses. In addition to the dark lenses, which are not explained below, you will find below the glasses offered by Tastov.
These lenses have been treated with a whole thin coating consisting of several layers that hardly reflect.
It prevents unpleasant reflections through the glass so that the visual acuity is increased and your conversation partners can also see your eyes clearly.
Polarized lenses reduce light intensity. In addition, they take away the glare of the light. This has the advantage that it rests the eyes and offers protection against the radiation of the sun. They provide a sharper view and bright colors. The disadvantage is that screens of, for example, the telephone become black.
Mirrored sunglasses have lenses with a mirror coating. This will reflect some of the light, reducing the amount of light in front of the eyes.
Unlike the above lenses which to say something about the benefits of the lens processing for the eyes, the word "flat" says something about the bulge. Most sunglasses have a slight bulge, but the flat lenses are completely flat.
This will change the look of the sunglasses more tough.
Color of the lenses
The color of the glass is taste related . However, each color has its own characteristics. Below you will find an explanation.
Ideal for those with a sensitivity to light, because blue lenses filter sharp light and reduce contrast. But it is also recommended in cloudy and rainy weather.
Work on a laptop or look at the mobile phone in the open air becomes a pleasant experience with these glasses, because they filter blue light. Yellow and orange lenses enhance contrast and depth perception. These glasses are suitable for both during the day and in the evening. They are suitable for all types of weather, but provide better visibility in haze and fog.
Because red and pink lenses reduce the glare reduce eye fatigue. They improve visibility and contrast, which is very nice on cloudy days.
Green lenses are suitable for any weather. They improve contrast, reduce glare and shadows are less dark. They prevent eye strain.
Like the yellow and orange lenses the brown glasses block out blue light, which makes working on the laptop in the open air pleasant. They improve contrast and depth perception.
Compared to other colors the gray lenses transmit the least visible light, which is noticeable by a reduction in the intensity of the sunlight. These glasses are ideal while driving.
Not only is UV radiation harmful for the skin, but also for the eyes. The radiation increases the risk of cataracts and retinal disease, which can cause permanent damage to vision. That is why it is very important to protect the eyes.
Sunglasses display the degree of protection denoted by UV. This varies from UV0 to UV4.
UV0 sunglasses let out up to 80 to 100% through. The lenses are usually transparent or have a light color tone. Category 0 offers little sun protection and usually aims to protect eyes from wind, dirt and dust.
Sunglasses with UV1 protection reduces light by 20% to 57% and is suitable when there is weaker solar radiation, twilight, fog or cloud cover. The advantage is that these yellow, orange or pink glasses increase the contrast and give the eyes more rest.
Sunglasses with UV2 protection absorbs 57% to 82% of the light and is suitable for cloudy weather, sunny days on spring and autumn days.
In clear weather with a lot of sunlight sunglasses with UV3 protection are suitable. This filter category also satisfies the water, in the mountains and on the road. The light is absorbed for 82% to 92%.
Sunglasses with UV4 filter reduce the light intensity by 92% to 97%, making them very suitable for water or winter sports. However, they are unsuitable for use while driving.