Sunglasses are glasses that can be used not only to be cool, but also to create a stylish personal style. You can take advantage of its shading properties to wear. It is also a kind of glasses that can block the sun's rays and protect the skin of our eyes.

Wearing such glasses can block ultraviolet and infrared rays, while the color of the external environment does not change, only the light intensity changes, like a cloudy day, with a cool and comfortable feeling.

Now, many people don't just wear black sunglasses, they also wear pink and yellow sunglasses to make them look trendy. Lenses of different colors have different effects.

1. Light pink lens

It is a lens that is more decorative than practical, and can echo with clothing and makeup. However, pink lenses are also good for the eyes. As a kind of color-changing glasses, according to the intensity of light, the color of the lens itself can be adjusted at any time to protect the eyes.

2. Yellow lens

Strictly speaking, such lenses are not sun lenses because they hardly reduce visible light, but in foggy and twilight times, yellow lenses can improve contrast and provide more accurate vision, so they are also called night vision goggles. Some young people wear "sunglasses" with yellow lenses as decoration.

3. Dark green lens

It absorbs the heat and brings a cool feeling, but the light transmittance and clarity are low. It is suitable for wearing when the sun is too hot, but not when driving.

4. Blue lens

You can wear blue lenses when playing on the beach. Blue can effectively filter out the light blue reflected by the sea and the sky. Blue lenses should be avoided when driving because it can make it difficult for us to distinguish the color of traffic signals.

5. Brown lenses

It can filter out a lot of blue light, can improve visual contrast and clarity, and wear well in severe air pollution or foggy conditions. Generally, it can block the reflected light of the smooth and bright surface, and the wearer can still see the fine part, which is the ideal choice for the driver.

6. Green lens

While absorbing light, it maximizes the green light reaching the eyes, so it has a cool and comfortable feeling and is suitable for people who are prone to eye fatigue.

When choosing sunglasses, look at the lenses first. You can try it on in the sun and look into the distance. Compare several lenses to see which is better.

Then look at the frames, the ear will be very uncomfortable after 5 minutes is a poor quality frame, when we wear a good quality frame, we can hardly feel its existence.

In addition to the choice of color, when you buy sunglasses, you must pay attention to whether they are comfortable or not, this is the main thing. If you really don't know how to choose, you can also ask the waiter and ask them to recommend the different functions and features of each sunglasses, which will be more helpful for everyone's choice.

Also, be careful when buying sunglasses. Improper wearing of sunglasses is prone to eye diseases, and you do not need to wear sunglasses on cloudy days and indoors.

Some people wear sunglasses regardless of the occasion, regardless of the intensity of the sun, even at dusk, evening and watching movies and TV, which will inevitably increase the burden of eye adjustment, cause eye muscle tension and fatigue, and reduce vision. This is what we need to pay attention to.