What are blue light blocking glasses?
As we now spend more and more time on the screen, it is particularly important to pay attention to the effects of blue light. Approximately six out of ten adults will experience digital eye fatigue after using the device for more than 2 hours. Symptoms of digital eye fatigue include headaches, blurred vision, and dry eyes. The technology of blue light blocking glasses can effectively block part of the blue light damage to the eyes, reduce the visual fatigue caused by staring at the electronic screen for a long time and can also reduce the radiation and damage of ultraviolet rays to the eyes. However, the most important thing for eye protection is development. Good eye use habits, close your eyes regularly, and let your eyes rest.
Blue light blocking glasses are glasses that the manufacturer claims can filter out blue light. The lens of this kind of glasses has filter material or surface coating, which can block part of the blue light. People who believe that their eye and vision are damaged by blue light exposure may wear them to reduce blue light exposure.
Blue light is a short-wave blue light in the color spectrum visible to the human eye. Its wavelength is in the blue part of the electromagnetic spectrum, roughly 400–500 nanometers. Researchers believe that peak light damage occurs at approximately 440 nanometers. Computers, laptops, tablets, smartphones, and general lighting can all expose the eyes to blue light.
Disadvantages of Progressive Lenses
It is limited in applicable range. Progressive multi-focus lenses have no limit in strength and can be worn for myopia, presbyopia, or moderate astigmatism, but they are not suitable for everyone. Now there are more than two categories of asymptotic focus lenses, one is hard and the other is soft. A person who can understand and adapt to the temporary discomfort that progressive multi-focus lenses begin to produce can have a pair of glasses. If you have severe symptoms such as high blood pressure, dizziness, or have a misunderstanding on progressive multiple focal lenses, and you are unwilling to adapt to them, it will be difficult to try.
What Are Non-Prescription Glasses?
Nowadays, many people wear glasses for a variety of reasons and not just for vision problems. In fact, many people wear non-prescription glasses as a fashion statement. This trendy accessory can make you more fashionable.
What are non-prescription glasses? It is important to note that the non-prescription glasses have no corrective power, while non-prescription reading glasses offer some level of magnification, enlarging what you see up-close.
If you don’t have a vision problem, wearing Plano glasses shouldn’t be a problem since they will neither damage your eyes nor cause structural issues. Some non-prescription specs, such as the type that blocks damaging blue light, can actually be beneficial to your eye health.
What Are the Benefits of Non-Prescription Glasses?
In this part, we will show you the benefits of non-prescription glasses and show you what you need to know before buying the non-prescription glasses.
Protection: the non-prescription glasses would provide protection for your eyes from dust, direct sunlight, and computer radiation. In addition, these glasses would have to be enhanced with special coatings.
Fashion: Wearing non-prescription glasses enables you to look more fashionable. The best part is that you can select a pair of non-prescription glasses that have the features you prefer. Besides, many frames are made from high-quality materials that make them durable. They are comfortable and lightweight, which everyone can appreciate. Non-prescription glasses are also available in a variety of sizes, shapes, colors and styles so there will always be something that matches your needs and even your personality.
Are progressive lenses good for driving?
Progressive lenses can help you see close, far, and anywhere in between. That means progressive lenses are good for driving. So you don't have to change your glasses on the way. With progressive lenses, you can easily see all distances. Standard lenses are more affordable than premium lenses, but premium lenses offer a wider field of view and are ideal for drivers.
Seek adjustment in stores
It occurs redness and pain in the ear area. It could be that the structure of the glasses and position doesn't suit your face shape. When you're in an optician's shop, ask an optician for help in adjusting your glasses or changing the frames. Think about if the frames fit or are a little heavy. Suggest you can change to another pair. You should try a suitable and not heavy frame. You go back to the eyewear store and ask a professional to shape your frame in accordance with the outline of your ears again carefully. If you feel a little uncomfortable when you try it on, adjust it.
How Should Glasses Fit?
In order to enable the glasses to fit on your face and ears, you need to pick the right frame width for your face. The width of your frame is the entire horizontal measurement of the front of your frames. A correct frame width will ensure your eyes are properly aligned in the center of your lenses for optimal vision. The frame width should be slightly wider than your face but with the space between your temple and frame no larger than a finger’s width.
Moreover, you also should ensure the Arm Length is right for you. The arms of glasses should run along with your temple and wraps around your ears. The arms should run horizontally and sit comfortably around your ears only touching your head right before your ears. Of course, you can find the arms-length of glasses on the side of the temple.
Brick-and-mortar stores have fewer customers.
Brick-and-mortar stores are known to have a significantly smaller customer base, targeting a particular county or even a particular region and population. Mainly aimed at young students.For physical stores, their income range is relatively narrow. Therefore, in order to make more money, every physical store can only make a profit by raising the single sale price. Online stores attract consumer demand from all over the country and the world through the Internet.
