What Quality Sunglasses Should I Look For? | KOALAEYE OPTICAL

What Quality Sunglasses Should I Look For?

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Blue light and anti-reflective lenses

They reduce the potential for cumulative damage to the eyes.Allowing the beneficial blue light through improves clarity, they reduce glare and reflection. They can improve your visuals and reduces eye strain and nighttime reflexes. They can reduce the symptoms of computer vision syndrome, including eye strain, eye strain, and headache.


Discoloration time and fading time for color-changing lenses

In general, color-changing lenses take about 30 seconds to 1 minute to darken on average when exposed to sunlight/UV and will continue to darken for about 10 minutes to reach the lens depth of full-color sunglasses. Color-changing lenses of good quality and workmanship are restored to an almost clear and transparent state in 2 minutes and completely cleared in 5 minutes, although the high temperature can affect this. If you want to change a single color change lens, the color of the old and new lenses will be inconsistent. This is because the discoloration performance of the old lens will be reduced due to the long-term use of the discoloration agent. Therefore, in order to ensure the normal use and aesthetic appearance, it is usually recommended to replace the two lenses at the same time.



What is the function of eyeglasses holder straps?

If your glasses are loose or slip off a lot, or if you have an active lifestyle, the eyeglasses holder straps can be very helpful. This simple device is designed to help you track your glasses and keep them from falling off. Retailers sell eyewear holder straps in a variety of designs, materials, and colors.


How Do Pinhole Glasses Work?

Compared to traditional glasses, pinhole glasses work differently. Traditional glasses correct your vision often by collecting rays of light as they enter the eye and forcing them to converge on the retina rather than behind or in front of it.

However, pinhole glasses limit the amount of light entering your eyes so as to enable people to see more clearly.



Don’t Do When Cleaning Glasses

Here are something you can’t do when cleaning the glasses.

1. Don’t use your shirttail, blouse, or other clothing to clean your glasses, especially when the lenses are dry because they will scratch your lenses.
2. Don’t use the saliva to wet your lenses.
3. Don’t use some surface cleaners to clean your eyeglasses because they may damage glasses lenses and coatings.
4. Don’t use some paper to clean your lenses, such as paper towels, napkins, or some tissues. They may scratch or smear your lenses or make them full of lint.
5. Don’t try to remove a scratch on your lenses by buffing away. This action can make the situation worse.


Shopping Skills of Blue Light Blocking Glasses

Some shop assistants recommend green-blue light-blocking glasses, explaining that the principle of tinting lenses is different and that you should be careful because green can not really block blue rays. There are blue-light-blocking glasses that are blue. And this belongs to blue light protection with no background color, which can not completely prevent blue light into the eye, usually only 20% to 30%.


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The sporty style

Sporty style frames are a little cool, full of vitality, well-designed. They pay attention to every detail, with publicity but not exaggerated feelings. With good material, they effectively prevent collision injury to your eyes in the process of movement, greatly improving safety. The style is simple and smooth, and the appearance is dynamic and fashionable, and the color collocation is diversified. With the integration of four progressive technology to better protect your eyes, they are your outdoor leisure tourism sports choice.

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