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Can You Wear Blue Light Glasses All Day?

Can I wear blue light glasses all the time? You may also have the query. To answer this question, you need to know one thing that the blue light isn’t inherently bad for you but an excess of blue light will lead to some negative effects.

The natural sources of blue light from the outdoors and from sunlight is good for you. In addition, since the HEV wavelengths is important to our moods and sleep rhythms, blue light can be used to treat seasonal effective disorder and other mental health issues.

The blue light glasses is used to guard against artificial source of blue light that deliver excessive amounts of this wavelength to your retinas. So, if you need to stay daytime hours under artificial light or working at a computer, you had better wear your blue light blocking glasses during the day.

So, is it bad to wear blue light glasses all day? The answer is negative.

Bertoni polarized glasses

Bertoni polarized night vision driving glasses are made of strong, flexible, durable, and ultralight polycarbonate. Yellow polarization increases contrast, improves visual acuity, and filters out blue light. They are great for drivers, cyclists, and winter sports enthusiasts. The driving glasses with polarized yellow lenses block glare from headlights, reduce night driving glare, improve night vision, and improve color clarity and visual clarity. They are ideal for driving in low-light conditions. Most sports sunglasses glasses frames and goggles are made of polycarbonate because of their strong, thermoplastic, lightweight, and impact resistance features.

5 Signs You Need Reading Glasses

In this section, we will list some signs you need reading glasses.

1. You are over 40 years old. Everyone’s eyesight changes at a different rate, but most people develop presbyopia in their 40s. Presbyopia is a condition in which the eye strain to focus on nearby objects, which is different from farsightedness, a condition in which you can see distant objects clearly, but objects nearby may be blurry. Farsightedness is usually present at birth, but presbyopia develops during the aging process.
2. If you find that you never seem to have enough light when reading, regardless of the room type or the number of lamps you have turned on, it may be time to get reading glasses. According to a study, a 60-year-old people requires three times as much light as a 20-year old to do the same task.
3. If your eyes get tired when reading or working at your computer, you may need reading glasses. Do you find yourself dozing off at your computer, or do your eyelids get heavy when your reading or do detailed work? If so, you may be developing presbyopia, and you may need the reading glasses.
4. Another sign you need reading glasses is that you are getting more headaches. Consistently straining your eyes to read or focus on craft could give more headaches. A headache right behind your eyes could be indicative of hyperopia. It is important to remember the 20-20-20 rule: every 20 minutes, look at something at least 20 feet away for 20 seconds. If your headaches persist, you should see an eye doctor and have a check.
5. If you see halos, you may need reading glasses. When your lens cannot focus light into your retina, it makes your vision appear blurry. Thus, reading glasses can solve this problem.

Do I need reading glasses? After reading this post, you may have a basic understanding. If you need a pair of reading glasses, try Koalaeye glasses. They are stylish and cheap, and the glasses will be mailed to you with great convenience.

What is an eyewear chain store?

Eyewear chain is a retail company that operates the same kind of eyewear products or services by its branches under the leadership of the core head store or head office. It is an economic union organization form that achieves scale benefits through standardized operation and management. Among them, the core company is called the headquarters, and the main store or the scattered operation company is called the branch store, the store, or the member store. It is one of the most popular modes in the eyewear retail industry to adopt the mode of chain and scale operation.

Plano Lenses vs Demo Lenses

When talking about the plano lenses, demo lenses will be talked about, too. Plano lenses are different from demo lenses. Demo lenses are nothing but lenses that are fitted into the demo frames at the optical showroom and workshops. The only purpose of demo lenses is to give a realistic aesthetic of the frame to the users so that they can get an idea of how it would look with corrective lenses. However, there is also no corrective power on demo lenses.

Compared with demo lenses, plano lenses provide good quality lenses that give your protection against harmful UV rays and blue light emitted from digital screens like laptops and desktops. In addition, you can also add an anti-glare coating to the plano glasses.

Different Types of Eyeglass Frame Materials

Titanium: as for metal frame material, Titanium is one of the most popular ones. The titanium frame material can be bent and twisted and then come back to its original form. The quality of these frames is durable and reliable for rough use. The Titanium frame material is light.

Flexon: Flexon is a titanium alloy that is composed of around 50% titanium and 50% nickel. Flexon eyeglass frames are extremely flexible and can be twisted or bent to an extreme and can return to their original shape. The flexon frame material is popular among kids' glasses.

Beta titanium: this is an alloy mainly composed of titanium and a small amount of aluminum and vanadium. The beta-titanium has a memory feature and is mostly used in high-quality designer frames. The beta-titanium is toughness and light.

Monel: it is an alloy of nickel and copper. The monel frame material is cheap and discolor.

Beryllium: it is an alternative to titanium resisting corrosion and tarnishing, but it is cheap. The beryllium frame material is lightweight, strong, flexible and available in a wide range of colors. In addition, it is a good choice for those people with high skin acidity or those people who spend a large amount of time in or around salt water.

Besides the above plastic eyeglass frame materials and metal frame materials, there are some other frame materials available, such as aluminum, gold, silver or other biodegradables materials. You can choose the suitable one according to its performance, features, and price.

What’s more, you can choose glasses from Koalaeye Optical. It provides various kinds of glasses and frames, such as blue light blocking glasses, rimless sunglasses, and so on.

What Is Trivex Lens?

Trivex is another light, impact-resistant eyeglasses lenses. Like polycarbonate lens, Trivex is an excellent lens material for safety applications and children’s eyewear.

Trivex lenses are made of a urethane-based monomer. They are produced using a slower, cast molding process similar to how regular plastic lenses are made. The liquid lens material is slowly baked until is set. This gives Trivex lenses the advantages of sharper optics than injection-molded polycarbonate lenses.