What is the progressive multifocal lens?
The lens of progressive multifocal glasses can change the refraction of the lens at the upper part of the central channel of the line of sight, which can effectively solve the difference of refraction when people view objects at different distances from long, medium, and short distances. Depending on demand, people have the flexibility to change or compensate vision according to visual distance, making it easier to help to adjust your vision in a variety of situations.
How to protect rimless glasses?
With the continuous improvement of people's living standards, many people begin to pay attention to their quality of life. In the past, many people thought that wearing glasses was for correcting eyesight glasses, but now more and more people use them for decoration, and rimless glasses meet the needs of consumers. Because of its light structure, giving people a sense of fashion, so it is loved by many business people. So how do you protect your rimless glasses?
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.
Eyeglass Holder- Cat
It has a universal design for reading glasses for men, women, or children. It's easy to find your glasses in the room. The decorative bracket makes your glasses convenient. You can enjoy a lovely desk or bedside table spectacle frame specially designed to accommodate your reading glasses. The frame has a special slot in the nose that fits perfectly on the arm of your glasses. With this cute and convenient stand, you won't lose or misplace your readers -- it's easy to find on cluttered desks!
The frames should be firm.
What kind of glasses are not easy to damage? It should be said that there are only two types of such frames: full metal frames full non-metal frames. However, be careful when choosing these two frames. Younger children prefer to move, and self-control is poor, so choosing a full non-metal glasses frame is appropriate. Although the middle school children are active, the self-control will be relatively strong, so you can consider the choice of a full metal glasses frame.
Costs are lower for online stores.
The most fundamental reason is cost. The cost is not just the cost of the glasses, and there are many other aspects of the cost. If it is an online store, it only needs a warehouse, a computer, a customer service, which can meet the needs. And if it has the factory direct sales, then the product purchase cost is lower. The online shop needs publicity fees. For a physical store, the superior location, high rent, water, electricity, and labor costs, a variety of optometry processing instruments are valuable. There is a lot of brand publicity, decoration costs. These aspects are the cost of physical stores to pay.
The Benefits of Anti-Reflective Coating
After knowing some basic information about anti-reflective coating, you need to know the benefits of anti-reflective glasses.
Anti-reflective glasses enable more light to pass through your lenses to optimize visual acuity with fewer distractions and the lenses look nearly invisible, which enhances your appearance by drawing more attention to your eyes and helping you make better eye contact with others.
In addition, the anti-reflective coating is especially beneficial when used on high-index lenses, which reflect more light than regular lenses. That is to say, the higher the index of refraction of the lens material, the more light that will be reflected from the surface of the lenses.
What’s more, the modern anti-reflective coatings can reduce the reflection of light from eyeglasses, allowing 99.5% of available light to pass through the lenses and enter the eye for good vision.
Because the anti-reflective coating can eliminate the reflections, it can also make your eyeglass lenses look nearly invisible so that people can see your eyes and facial expressions more clearly. Hence, anti-reflective glasses are more attractive and you can look your best in all lighting conditions.
Anti-reflective glasses have sharper vision with less glare when driving at night and greater comfort during prolonged computer use. So, you can find that anti-reflective glasses come with many benefits.