What Are Blue Light Glasses?
Blue light glasses limit exposure to blue light. Additionally, blue light blocking lenses also include non-glare protection. Blue light can be found in cell phones, tablets, computers, some light bulbs, and sunshine. And this particular wavelength of blue light can damage your retina, which can even lead to vision impairment.
However, blue light glasses can filter the harmful ultraviolet rays and reduce the potential damage to your eyes, and may improve symptoms of computer vision syndrome. Even if you do not need a pair of prescription glasses, you should consider a pair of blue light glasses because there are many benefits to them. Hence, in the following section, we will show you the benefits of blue light glasses.
The Benefits of Glasses Without Prescription
From the above part, you have found some basic information about glasses without prescription. In this section, we will list some benefits of plain glasses.
The non-prescription glasses are inexpensive, and they are widely available in a selection of styles and shapes. In addition, non-prescription glasses can be easily replaced as fashion changes.
Meanwhile, everything has two different sides. So, there are also some negative voices of glasses without prescription.
When does the optical store have a special offer?
A good beginning is half the success. The new store opening needs to quickly expand awareness, and it is a marketing. old for new activities, means that as long as the unused glasses can be worth 30 yuan. Or the chain of glasses, to celebrate the New Year gift promotion plan, really play the role of promotion and atmosphere, promote sales.
How to Choose Glasses for Square Face?
What glasses suit my face or what glasses suit my square face? If you have the same questions, you come to the right place. This post will show you some advice.
In fact, there is a wide range of eyeglasses available for square faces. Round and oval glasses are the best choice for people with square faces. These frames will soften and balance your strong jawline and add contrast to your face shape.
Now, we will show you some suggestions for the glasses for square faces.
Round glasses: round glasses are a sophisticated, polished look that works well with a square face shape. No matter what color you choose, this style works beautifully with a square face shape.
Browline glasses: as for glasses for square face, you can choose the browline glasses. These glasses are thicker at the top, mimicking the way the eyebrows frame the face. Their unique design is one of the best glasses for square faces.
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.
What is hard coating on lenses?
Lenses are mainly added in two kinds of film: anti-reflection film and hard film (and some manufacturers produce anti-fogging film and mirror film, but not common). The anti-reflective film is mainly by coating the front surface of the lens with multiple layers of transparent materials with different refractive index and thickness to reduce the excess reflected light on the surface of the lens, by using the principle of light interference. The film can be applied to both glass and resin lenses. The way of hard film plating is usually a soaking process. After many times of soaking and cleaning, soaking in an organic solution containing ultrafine silicon element for a certain time, and then keeping it at a certain temperature for 4-5 hours, the fixed polymerization process of the film has been completed. The surface wear resistance of CR-39 coating can be increased by 2-4 pH, which is similar to the hardness of optical glass lenses.
What Are Horn Rimmed Glasses?
Horn rimmed glasses are a mainstay of refined eyewear. Their cultural popularity is a given, and they are widely known as the frames that Malcolm X wore while giving public speeches in the 1960s.
Why is it called horn rimmed glasses? Because the glasses are actually made from horns at an early time. Horn rimmed frames were originally made out of real horns, tortoiseshell, or ivory. Besides this, it is also a reference to the horned look, characteristic of the style.
However, nowadays, horn rimmed glasses are made from plastic designed to mimic horn and shell and they are more affordable. The horn rimmed glasses are not only defined by their frame material but also their style. Each pair has accented hinges near the temple of the wearer.
