Why should we wear sunglasses?

Sunglasses are glasses that protect the eyes from the effects of ultraviolet rays, or UV rays. At the same time, it also limits the risk of diseases such as eye burns, cataracts or macular degeneration. However, many people mostly ignore the eyes and underestimate the importance of sunglasses.

1.1. Prevent ultraviolet rays from affecting the eyes Sunglasses have the effect of shielding dust, insects, chemicals from entering the eyes. In addition, sunglasses also help you prevent ultraviolet rays (ultraviolet rays). This is a harmful ray in the sunlight spectrum that presents an immediate and potential hazard to the eyes. Wearing sunglasses helps to block the maximum UVA and UVB rays, thereby protecting the retina and cornea from the effects of UV rays that affect your eyes.
In addition, there is a thin layer of conjunctiva in the eye. If this membrane is irritated by direct sun exposure, it can become inflamed. Therefore, wearing sunglasses is a must for all of us.
1.2. Anti-aging eye skin When we are out in the sun, we often tend to squint, since then, the skin on both sides of the eyes and below the eyelids is easy to form wrinkles. Sunglasses are a safe solution when going out in the sun while providing good glare protection, limiting squinting and protecting the delicate skin below the eyes.
1.3. Prevent eye infections Wearing sunglasses in the summer also protects your eyes from viruses and bacteria in the atmosphere. From there, protect the eyes from eye diseases caused by bacteria, fungi and viruses.
1.4. Limiting eyelid cancer The eyelid is a sensitive area, if it is exposed to the sun and dust for too long, it is not cared for and cleaned carefully, it will easily cause inflammation, in a long time can cause infection. lead to eyelid cancer. Therefore, you should choose the right sunglasses to minimize the impact of dirt and bacteria that affect the eyelids. Especially when you often work in a dusty environment.
1.5. Limiting headaches and migraines According to many studies, wearing sunglasses is a way to help you limit headaches and migraines when working under hot weather conditions. Sunglasses, sunscreen, and a mask are essential items to avoid heatstroke on hot summer days.
1.6. Fashion A sunglasses that fit your face, skin as well as clothes will make you more youthful, luxurious and outstanding. Note, when choosing sunglasses, you should choose the right type for your face, light and sturdy frames, high UV filtering ability, genuine products with reputable brands and clear origins, ..
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When going out in the sun without wearing glasses, it will cause many effects on your eyes in particular and your health in general:
Accelerate the aging process: Eyes will be directly exposed to harmful UV rays from sunlight. The sun makes you age faster. Increased risk of eye diseases: Prolonged exposure to the sun's rays can lead to sunburn on the surface of the eyeball, macular degeneration, and even eyelid cancer. Causes cataracts: Ultraviolet rays in sunlight directly damage the eye lenses and retina, change the structure and ratio of protein components of the lens, causing cataracts. body. Deterioration of eye vision: Smoke, polluted water or toxic chemicals from the environment often cause the accumulation of many harmful oxidants, damaging the endothelial cells of the retina, causing damage. vision cells and as a result impaired vision.

When choosing sunglasses, you should give preference to reputable sunglasses manufacturers such as: OAKLEY, RAYBAN, MAUI JIM, COSTA DEL MAR, PERSOL,...
ISO - 2004 standards have been approved by manufacturers. production applied worldwide. In Europe it is CE standard, in Australia it is AS/NZS 1067:2003 standard. CE standard classifies UV filter into 7 levels, of which, level 6 - 7 is considered perfect. The North American block divides the UV filtering ability of sunglasses into 4 levels.

For sunglasses, the UV filterability depends on the color of the glass and the material of the glass. Amber yellow and light black are known to be the best UV filters. Blue light or groups of high-energy rays in the visible spectrum are considered to be able to cause macular degeneration. According to spectral analysis, copper-colored, sepia glass is said to filter out blue light better than other colors.
To keep your eyes healthy, according to the recommendations of experts, you should note the following points:
Use sunglasses that block 99 - 100% of UVA and UVB rays and reduce 75 - 90% of the amount. visible light. Prioritize protection when choosing sunglasses, not style. You should note that UV rays have the ability to reflect on many other surfaces such as water, concrete, cars. In short, the eyes need to be protected, when going out on the street you should wear glasses so that your eyes are not damaged. At the same time, you should go for regular eye exams every 6 months to take care of your eyes regularly and best.
If you are experiencing vision problems, go to a medical facility immediately to be examined and treated by doctors as soon as possible. Currently, Vinmec International General Hospital has vision-related service packages such as:
Refractive error screening package Cataract surgery consultation and examination package Ortho-K package All questions need to be asked by a doctor Answering specialists as well as customers wishing to examine and treat at Vinmec International General Hospital, please book an appointment on the website for the best service.

Reference sources: vnexpress.net, dienmayxanh.com, suckhoedoisong.vn