Why do I see rings around lights?
Sat, Apr 09, 22 By : Koalaeye
Is It Bad to Wear Reading Glasses When You Have Perfect Vision? Can reading glasses hurt your eyes? This section will answer this question. One of the most common reasons for people to wear reading glasses is to see things clearly. If you read a lot or perform other tasks at close range for long periods, your eyes may feel strained. In general, strained eyes with near vision are associated with farsightedness. However, you might have similar symptoms just by...

Is It Bad to Wear Reading Glasses When You Have Perfect Vision?

Can reading glasses hurt your eyes? This section will answer this question. One of the most common reasons for people to wear reading glasses is to see things clearly. If you read a lot or perform other tasks at close range for long periods, your eyes may feel strained. In general, strained eyes with near vision are associated with farsightedness. However, you might have similar symptoms just by observing something up close for too long. For this reason, reading glasses may be helpful.

However, do reading glasses hurt your eyes? No, wearing reading glasses should not hurt your eyes, even if you don’t have any problems with your eyesight. Meanwhile, it may take some time to get used to the reading glasses.


Should I wear blue light glasses when using electronic products?

However, it's not just at work that we need to consider wearing blue light glasses. We can still use blue-ray blocking glasses when we're reading a book on a tablet, watching hot new shows on Netflix, or playing games with friends. It is suggested that when you are in front of a digital device, you should wear blue light glasses to help your eyes.



How to Test Blue Light Glasses (Amber and Red Lenses)

This section will show you how to test blue light glasses with amber or red lenses.

1. The Black and Blue Squares Test

1. Prepare black and blue paper.
2. Wear your blue light glasses after sunset and check whether both paper appear black.
3. If they do not appear black, your blue light glasses can’t block all blue light.

2. RGB Color Chart Test

1. Prepare an RGB color chart as follows.
2. Wear your blue light block glasses and look at the chart.
3. After wearing blue light blocking glasses, if the B section becomes black and the G section becomes darken, it shows that your blue light glasses block blue light and some filter some green light.
4. The less bright the green circle with your blue light glasses, the better they are.

RGB

Besides the above ways, you can ask the professional optician to perform a professional blue light glasses test, which would be more reliable. After that, you can know whether your glasses work effectively to block blue light.

What’s more, if you want to purchase a pair of effective blue light blocking glasses, you can try Koalaeye Optical. It is cheap and provides free shipping services.


The extraction of titanium

Nowadays, the commonly used extraction method is the reduction method of titanium tetrachloride. Compared to copper and zinc, although high in content, much more expensive. On the other hand, China is the country with the largest reserves of titanium, and a large number of steel mills with perennial overcapacity began to produce titanium, so the price of titanium fell year after year.



The warranty service

It starts public services. The repair lab has repaired more than 90 percent of glasses with broken frames.They provide all types of repairs, like plastic repair, metal repair, and lens replacement, no matter what the work is done. They still provide you a 60-day warranty for eyewear repair. The repaired area is ensured to protect you if damage occurs.


What are acetate glasses?

Acetate spectacle frames are the most common spectacle frames on the market. It has a light texture and good gloss, which is very popular among young men and women. Acetate frames are lighter and generally considered to be better than plastic frames. Acetate fiberboard is known for its Hypo-Allergenic, so it is a popular choice for people with sensitive skin. Unlike some plastic or metal frames, they can cause allergic reactions. However, you will find that acetate frames are usually more expensive than ordinary plastic frames. So what is the reason?

Acetate is one of the first synthetic fibers. It was not used to make glasses until the late 1940s. The higher the quality of acetate, the better the gloss and transparency. Not easy to burn is one of the biggest characteristics of acetate fiber. Also because of the non-combustibility of acetate fiber, this material can hardly be affected by ultraviolet radiation to change color, and can better maintain the gloss of the spectacle frame. Moreover, it is light and hard, and it is not easy to deform.



The best way to drive at night

Contrary to what night driving glasses manufacturers to want you to believe, the best way to enhance the night driving experience is to obtain clear anti-glare glasses. Unlike the potentially dangerous yellow tint, the anti-glare glasses are designed purely to keep your vision clear and glare-free in all night driving situations and even during the day.

You can find a pair suitable for the road in any optical shop! The best part of these glasses is that they don't have a thick wrap frame and have a gorgeous sun visor like most night driving glasses. You can modify and customize any style of glasses with anti-glare lenses, even your daily prescription glasses.

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