Sunglasses Brand For Men

Suggestions for Using Varifocal Glasses

If it is difficult for you to get used to the new varifocal glasses, here are some suggestions for you.

1. Wear the varifocal glasses consistently so as to let your brain learn how to use them.
2. The most common accident is tripping when getting used to new varifocal glasses. So, you can mix up your routine to keep your brain active and prevent you from tripping up.
You can also ask those who wear varifocal glasses to give you some advice.

Ways to improve driving at night

1. Check your eyesight and glasses regularly to ensure that your eyesight and the glasses you wear are in the best condition.

2. Clean the stains on the glasses before driving. The stains on the glasses will aggravate the glare.

3. Clean the windshield before driving at night to eliminate the hidden danger of glare.

4. Replace the wiper regularly.

5. Keep your vehicle headlights clean and free of dirt.

6. Do not drive for a long time, eat more foods that are good for eye health, and perform proper eye care.

7. If you feel that your night vision is reduced, you should go to the hospital for help in time.

In fact, if your eyes are healthy and you have no vision problems that require prescription glasses to correct, then the best glasses for driving at night is to not wear glasses at all. On the other hand, if you need prescription glasses because of myopia, hyperopia, or astigmatism, choose clear corrective lenses with an anti-reflective (AR) coating. These lenses can let almost 100% of the visible light into your eyes, can allow your eyes to correctly focus on roads and other obstacles at night, can reduce or eliminate the glare from street lights and headlights. Because they are based on your personal prescription, they provide the best vision for your eyes.

How Do Bifocal Glasses Work?

After learning some basic information about bifocal lenses, you should know how the bifocal glasses work.

With a pair of bifocal glasses, it would be convenient since they combine all your vision needs into a pair of glasses and you do not need to switch two pairs of glasses frequently. Bifocal glasses are usually designed to for those people who are over the age of 40-45 that need additional help with their near vision due to the effects of presbyopia where the crystalline lens inside the eye naturally begins to lose its ability to focus on near objects.

If you work in the office, you may need a pair of bifocal glasses. The top distance vision in the top of the lens can be used for meetings or presentations and the near vision in the bottom of the lens can be used to look at the computer screen or at documents.

Is it safe to buy contact lenses online?

Today's optometry is not a simple measurement of your degree. Through some professional instruments, they check the health of your eyes to see the health of your eyes. Is it appropriate to wear contact lenses at present? If there is inflammation in the eyes, it is forbidden to wear contact lenses, and if you wear them, it will cause harm to the eyes. If you buy online, you can't enjoy professional eye examination, try on, test, and other professional inspection and matching services that you can enjoy in professional stores, nor can you enjoy professional wearing and nursing guidance from professional staff. People often overlook eye problems that may result from the wrong choice of contact lenses, which are often overlooked by consumers.

Why You Should Wear Blue Light Glasses?

However, many of our work and social life revolve around looking at a screen for multiple hours every day. Too much exposure may damage our eyes. So, you need to consider wearing blue light glasses. Here are several reasons for you to wear blue light glasses.

Less eye strain: looking at a screen all day can make you feel stressed or you may experience eye and muscle strain. So, wearing blue light glasses can help you to reduce eye strain.

Better sleep: spending time on a screen before bed can make you feel alert. In the same way, a walk outside sunlight can also help you feel alert. So, if you are unable to turn off your device an hour or two before bed, using blue light glasses may help you sleep better.

Fewer headaches: blue light can trigger migraines and exacerbate headache pain. Blocking blue light with special glasses may reduce headaches.

Lower risk of eye diseases: the cornea and eye lens are able to block out harmful UV light from reaching the retina. But, they can’t block blue light. If the retina is damaged, the risk of developing macular degeneration will increase, which would lead to blindness. In addition, blue light can penetrate your retina and lead to macular degeneration-like symptoms and increase the risk of developing cataracts. So, wearing blue light glasses can prevent this.

From the above information, can you wear blue light glasses all day or can blue light glasses damage your eyes? You may have got the answer. So, if you need a pair of blue light glasses, try Koalaeye glasses. They come in stylish and at a cheap price.

The Cons of Transition Lenses

However, besides the pros of transition lenses, there are also some negative voices of transition lenses.

The transition lenses are not effective in cars because the windshield blocks the UV rays so that transition lenses won’t darken very well in the car.

Different brands of photochromic glasses have different levels of darkness and different reaction times. So, you may need to ask the doctor to find the brand that works best for you. Transition glasses are affected by colder weather. So it means that it may take a bit longer to react to UV rays in winter. Most transition lenses are not polarized which may result in harsh glares.

So, if you need transition glasses, try Koalaeye Optical, which provides the Koalaeye photochromic glasses. Besides these, Koalaeye Optical also provides other kinds of glasses, such as blue light blocking glasses, polarized sunglasses, progressive sunglasses, and so on.

Why should the surface of the lens be hardened?

Compared with glass lens, resin lens has the characteristics of lightness, safety, and comfort, but resin lens friction with dust or gravel in the process of use, resulting in lens wear and forming scratches. These scratches in the center of the lens can interfere with vision.

Therefore, in order to improve the wear resistance of resin lenses, it is necessary to add a layer of anti-wear film to the surface of the lenses. This is the hard coating technology of the lenses, which is called Hard coating.