Why you should wear sunglasses in the winter?
Thu, May 06, 21 By : Koalaeye
In the previous article, we discussed “How Sunglasses Should Fit”. In this article, let’s talk about “Why you should wear sunglasses in the winter?”. Why you should wear sunglasses in the winter? Sunglasses can prevent ultraviolet rays from sunlight. Ultraviolet rays can damage the cornea and retina, and high-quality sunglasses can completely eliminate ultraviolet rays. Sunglasses can prevent exposure to strong light. When the eye receives too much light, it will naturally shrink the iris. Once the iris shrinks to...

In the previous article, we discussed “How Sunglasses Should Fit”. In this article, let’s talk about “Why you should wear sunglasses in the winter?”.

Why you should wear sunglasses in the winter?

Sunglasses can prevent ultraviolet rays from sunlight. Ultraviolet rays can damage the cornea and retina, and high-quality sunglasses can completely eliminate ultraviolet rays.

Sunglasses can prevent exposure to strong light. When the eye receives too much light, it will naturally shrink the iris. Once the iris shrinks to its limit, people then need to squint. If there is still too much light, it will damage the retina. High-quality sunglasses can filter out up to 97% of the light that enters the eye to avoid damage.

Sunglasses can prevent glare. Certain surfaces, such as water, can reflect a lot of light. The bright spots produced in this way can disturb the line of sight or hide objects. High-quality sunglasses can completely eliminate this kind of glare by using polarizing technology.

Sunglasses can eliminate light of specific frequencies. Certain frequencies of light will blur the line of sight, while other frequencies of light can enhance contrast. Choose the right color for the sunglasses so that they can get better results in a specific environment.

In addition, sunglasses can play a decorative role and add a sense of fashion. Nowadays, sunglasses have various styles, and their gorgeous and colorful shapes will always make your style more fashionable in winter.

The Pros Of Wearing Sunglasses During Winter

The lack of strong sunlight in winter does not mean that the ultraviolet rays are not strong. In this season, the air is dry and thin, and the penetration of ultraviolet rays is strengthened, so it is easier for more ultraviolet rays to reach the eyes. Every season, some people will suffer from dry eye, which includes eye pain, tearing, dryness, photophobia, redness, and swelling. This dry eye results in people neglecting the damage of ultraviolet rays. Long-term exposure of the eyes to a windy, sandy, and dry environment leads to the loss of tears. To protect your eyes in winter, in addition to eating more fruits and drinking more water, it is recommended to wear sunglasses when going out for outdoor activities.(https://www.koalaeye.com/blogs/our-stories)

Sunglasses are not only aimed at young people, old people also need to wear sunglasses when going out. Wearing sunglasses is a positive protection measure for the eyes, which can filter ultraviolet rays and reduce the intensity of light. The eyes of the elderly may be more fragile and they must wear sunglasses when going out. The elderly can choose different sunglasses on different occasions. For example, the elderly should choose a polarizer when fishing, which can eliminate the glare from all directions and make the field of vision clearer. When the elderly go to the suburbs to climb mountains, they can choose gray sunglasses, because gray is neutral and has good anti-infrared and ultraviolet functions.

The Cons Of Wearing Sunglasses During Winter

After ordinary people wear sunglasses, the perception of external objects in their eyes will be very different in normal times. First of all, the contrast of the object viewed by the eye is very different. After wearing sunglasses, many people will feel that they look at things unclearly. In order to see more clearly, they naturally watch the object vigorously. Over time, the degree of eye fatigue will increase. Ophthalmologists believe that colored sunglasses will make people's eyes in relatively dim light, and people's pupils will dilate subconsciously. If a person's eyes stay in this state for a long time, even if the original vision is good, it will degenerate in the future. However, this degradation process is relatively slow and difficult to be noticed in the short term, so it is easier to make people take it lightly.

Secondly, although the ultraviolet rays in the sun can be partially blocked by the sunglasses lens, medical research has proved that the ultraviolet rays are first absorbed by the lens before being emitted. Therefore, after wearing sunglasses, people’s pupils will be in a state of flickering and dimming, large and small, which is why people feel uncomfortable just after wearing sunglasses.

Wearing sunglasses has advantages and disadvantages, so be careful not to wear sunglasses for too long. It is recommended to take off sunglasses to have a rest every one or two hours of wearing. Also, you can gently press around the eyes, otherwise, symptoms such as headaches, irritability, blurred vision, etc. will occur, and even vision loss will occur. But wear sunglasses when necessary, and minimize the time to wear them in a relatively dark place.

Thank you for your time in reading our passage “Why you should wear sunglasses in the winter?”. For more information about sunglasses and eyeglasses, please continue to follow KoalaEye Blog. Also, it is welcome to share and forward to Facebook and Twitter.

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