Thickness of lens
The thickness of the driver's glasses affects the use of glasses in a way. The glasses with thicker lenses can be more durable to prevent the glasses from being irritated and accidentally broken, effectively protecting the eyes.
Disadvantages of pure titanium frames
The material is soft, the glasses can not be made more delicate, only the lines are thicker, in order to ensure stability and strength.Usually, when you are not wearing a pure titanium glasses frame, it is better to put them in the case of glasses, to avoid pressure deformation.
Which is better, MR7 lens or MR8 lens?
The refractive index of MR7 is 1.67, and its Abbe number is 32, so it has a good dyeing property. MR8 has a refractive index of 1.60 and an Abbe number of 40 or more. MR8 has stronger toughness, so it is more tensile and is not easy to break when confronted with strong impact. The lenses of MR7 and MR8 are different in the degree of heat resistance, and the heat resistance of MR7 is slightly weaker. MR7 is recommended if you want thinner and lighter lenses, but MR8 is recommended if you want higher light transmittance.
Polycarbonate vs High Index: What Are the Differences?
Here, we will briefly show some differences between polycarbonate lenses and high index lenses. If you are looking for thinner and lighter lenses, high index lenses would be a good choice. High index lenses are strongly recommended for those people who require a strong eyeglasses prescription for common vision problems, such as nearsightedness, farsightedness, or astigmatism. Besides, you need to know that the stronger prescription, the thicker the edges of the lenses. So, high index lenses are good choices because they are slimmer and lightweight.
Polycarbonate lenses are an ideal option for children’s eyewear since they are tough, lightweight, tough, and durable. Because of their durability, polycarbonate lenses are much less likely to break or fracture than even high index lenses.
So, from the above information, you can know the differences between polycarbonate and high index lenses. With these differences, you have known how to choose the lenses when prescribing a new pair of eyeglasses.
If you want to get a pair of new eyeglasses, you can choose to go to the local optical store. However, nowadays, you can choose to prescribe glasses online. This gives you great convenience. If you want to get a pair of new glasses online, Koalaeye Optical may be a good choice for you, which is a professional optical online store, providing all kinds of glasses or sunglasses, such as blue light blocking glasses, progressive lenses, driving glasses, and so on. In addition, Koalaeye Optical provides a free shipping service.
Why do people like wearing rimless glasses?
The simple atmosphere and extreme minimalism can highlight the characteristics of the character. They belong to the business type glasses. They are suitable for professors, principals, and other leaders. A minimalist style will keep them from going wrong in the work environment. Secondly, they can highlight professional temperament. Because rimless glasses style is more diverse, and stylish, with a rich color difference, they are popular for many people.
What Are Polycarbonate Glasses?
Polycarbonate was developed in the 1970s for aerospace applications and is currently used for the helmet visors of astronauts and for space shuttle windscreens.
Polycarbonate lenses were introduced in the early 1980s in response to a demand for lightweight, impact-resistance lenses. Since then, polycarbonate glasses have become standard for safety glasses, sports goggles and children’s eyewear.
Polycarbonate glasses are thinner and lighter than regular plastic lenses. They also provide 100 percent UV protection and are up to 10 times more impact-resistance than plastic or glasses lenses.
In addition, Polycarbonate lens provides clearer and more comfortable vision if anti-reflective coating is applied to the lenses, which can eliminate distracting lens reflections that interfere with vision, particularly when driving at night or in other low-light conditions when glare sources are present.
After learning some basic information about polycarbonate glasses, we will show you the advantages and disadvantages of polycarbonate lens.
The sporty style
Sporty style frames are a little cool, full of vitality, well-designed. They pay attention to every detail, with publicity but not exaggerated feelings. With good material, they effectively prevent collision injury to your eyes in the process of movement, greatly improving safety. The style is simple and smooth, and the appearance is dynamic and fashionable, and the color collocation is diversified. With the integration of four progressive technology to better protect your eyes, they are your outdoor leisure tourism sports choice.
