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How to Choose the Right Sunglasses for Different Riding Environments?

How to choose the right sunglasses for different riding environments

Cycling glasses selection guide|From damage factor, lens color, to selection points, teach you how to choose suitable cycling glasses.

1. Possible Injury Factors

First, let's discuss the various possible damage factors.

Sunlight: This includes direct exposure to strong light, which prevents the eyes from opening and affects driving safety; or the glare generated by the reflection of objects illuminated by the sun, which also affects the clarity of sight. In addition, the ultraviolet and blue light in the sun will cause direct damage to the macula.

Wind: When the speed is fast, the wind blowing on the eyes is very strong, which not only makes it difficult to keep the eyes open, but also makes the tears evaporate quickly. People with dry eyes themselves will experience discomfort in their eyes, and their vision will of course be affected. In addition, if the time is a little longer, the corneal epidermis will be damaged, so that even if it stops, it will continue to sting.

Foreign objects: This range is very large. It may be flying sand, small mosquitoes, or even rainwater. Sometimes the first direct impact is blocked, but the rest of the fluid, such as sweat or rain, can still carry impurities into the eyes and cause irritation. Because the conjunctiva itself is a mucous membrane without keratin, it is more sensitive than the skin. Some people with allergies will start allergic conjunctivitis, with symptoms ranging from mild to severe, such as dryness, itching, severe tingling, and continuous tearing.

2. The choice of protective glasses

After discussing the above, it can be found that danger really exists everywhere, especially in the process of long-distance riding, almost the above-mentioned situations will always be encountered, and you need to protect your eyes. The better injuries will disappear after the exercise, but the bad ones will leave sequelae, that is, the eyes will lose their former brilliance and vision.

So next, from the perspective of a physician, President Huang Weicheng will talk about the selection of protective glasses, what should be considered?

Structural strength: Sometimes larger stones or insects may hit the glasses. If the speed is fast, the strength is very important at this time. In clinical practice, we have seen many glasses break and cause irreversible damage. Because of the cornea (the transparent layer outside the black eyeball), its characteristic is that if the wound is deeper, it will not heal completely and will leave scars. Therefore, glasses of poor quality can cause more damage than stones.

Coverage: Sunshine and wind are in all directions. If the coverage is not good enough, there will be some dead spots. So the coverage should be on both sides, and the whole from the cheeks to the eyebrows.

Air permeability: Although we want to block all external damage, if the heat inside is not dissipated, it will not produce fog.

Fixed degree: No matter how good the glasses are, it is useless if they fall off, so the stability on the face is also necessary.

Polarization: For this function, many people will confuse it with the color of the lens, but the two have different meanings. Light is directional like water waves, and polarizers can filter the chaotic clutter generated by the reflection of sunlight on objects, such as glare reflected on the road.

Lens Color: Adding color to a lens serves several purposes, the first is to reduce the brightness of the light, so the darker the color, the darker the light becomes. The second is to enhance the contrast to make the sign or certain objects more obvious, which is related to what color, and each has a suitable color in different environments. Of course, the third is also for beauty and fashion sense. A comparison table is put together on the next page. Foreign objects flying into the eyes may cause allergies, broken skin and other injuries.

3. Functionality of lens color

Gray: Gray lenses are the most common choice, and have the widest distribution of shades. The darker the color, the less the intensity of the light, without changing the color of the scene. So it is very suitable for outdoor sports use. True Color Perception. Many color shades to choose from. Suitable for all weather and all kinds of outdoor activities. Reduces reflected glare. Reduce eye fatigue.

Yellow: Yellow lenses especially enhance contrast in low light conditions; also help focus on fast-moving objects. In addition, yellow lenses filter out blue light, which can also make eyes less prone to fatigue. Suitable for all kinds of fast outdoor activities. Provides better clarity in fog, mist, or other low-light weather. Filters blue light that can cause eyestrain. Some colors will be distorted.

Brown: The red tint in the brown lenses enhances the three-dimensional feel and is suitable for use in activities that require distance judgment. However, it absorbs more blue light than yellow, so it is not suitable for use in low light conditions. Reduce fatigue. Increase contrast. Improve depth perception. Perfect for sunny weather.

Green: Provides better contrast than gray lenses and expresses color more effectively than brown lenses. Suitable for outdoor use with many green plants. Increase contrast.

Blue: Blue lenses filter out yellow light, leaving blue light behind. This will enhance the recognition of object contours and make the image sharper, but it will also make the eyes more prone to fatigue. Helps to identify contours. Improve color perception. Strengthen the identification of signs. But blue light increases oxidative stress in the macula.

Red: It can help the eyes to identify the distance of objects, enhance the three-dimensional sense, and enhance the depth of vision and vision. Improve visual depth. Reduce eye fatigue. Provides good road visibility. Eye comfort.

4. 5 key points for choosing the right goggles

Since it is indispensable to wear goggles in cycling, let's learn how to choose a pair of goggles that suits you with five simple points.

1. Choose according to face shape

Everyone's face shape is different. Asians and Europeans and Americans have a bigger difference in face shape. Generally speaking, Asians have wider faces and higher cheekbones than Europeans and Americans, while Europeans and Americans have narrower and longer faces. Therefore, in the design of glasses, the version specially designed for Asians will be marked with Asian FIT. Usually, the height of the nose pads is different. How do you know if it is suitable for you? After wearing it, try to smile and see if the upper edge of your cheek will touch the lower edge of the lens! Many sunglasses now emphasize that the nose pads can be adjusted, try to adjust and try again.

2. Choose the right frame size

Same as choosing clothes and shoes, the size of goggles is very important. Try it on actually, or choose according to the size of your head circumference, eye width and temple length. Try not to choose sports sunglasses that are more than 1cm larger than your head circumference. The gap between the side and the frame is within 5mm, which is a relatively suitable size. When wearing goggles that are too large, the stability will be poor, which will affect the functionality of the sunglasses.

3. The frame is close to the face

The point of goggles is to block the sun, so it is very important to keep the glasses close to the face when wearing them, so as to reduce the scattered light from entering the glasses through the gap; pay attention to the upper edge of the frame when wearing, the upper edge of the frame should be flush with the eyebrows, the front, side or upper edge, The gap with the face should be as small as possible. The temples of some sports glasses can be adjusted, it is used to grasp the user's head shape, and some gaps are reserved to allow airflow to pass through and take away the fog of the lenses.

● Smile and try to see if your cheeks will touch the bottom edge of your glasses, if they do not fit.

● The eyelashes or eyebrows will not miss the sports sunglasses, which will make them uncomfortable to wear.

● The frame or temples of the goggles should not be pressed against the side of the head, as it will be uncomfortable to wear for a long time.

4. Will not slide and slip

The most important thing about goggles is stability. They won't move or even slip off during exercise. In addition, the glasses should not jump after beating. A good goggle nose pad should be able to stick or catch the glasses and the nose. Together. When picking out glasses, try shaking your head and jumping around to ensure stability.

5. Pay attention to the style of the nose pads

Most people's noses are not the same, some are wide and some are narrow, some are tall and some are low. If the nose pads of the goggles cannot be adjusted, it will not be able to adapt to various face shapes. Choose the right size of the nose pads, or Choose goggles with adjustable nose pads.


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