Types of Single Vision Lenses
Single vision lenses come in several different types including the 1.59 polycarbonate single vision, 1.57 mid-index single vision and polarized single vision.
1.59 polycarbonate single vision lenses are characterized by their durability and impact resistance. They often include an anti-scratch coating or anti-reflective coating. This lens is much lighter and thinner than a traditional plastic lens, and it blocks the sun’s harmful UV, offering maximum UV protection.
1.57 mid-index single vision lenses are thinner than regular plastic and moderately lighter and stronger. They come with an anti-scratch coating or anti-reflective coating. These lenses are an ideal option for people with relatively higher prescriptions. But they are thicker than the polycarbonate lenses.
Polarized single vision lenses are sunglasses that protect your eyes from light that bounces off smooth, highly reflective surfaces like asphalt, snow, and water. These lenses work by controlling certain light properties and limiting specific wavelengths. They boast a vertical filter that does not allow horizontal glare to pass through.
What are the benefits of Silhouette?
The wonderful style suits both men and women. The glasses are made of strong, reliable, and not heavy metal. They adopt a screw-free design and high-quality process. The glasses are made of titanium alloy temples and are highly ergonomic. They are not heavy and elastic (only 1.8 grams in weight), independent of momentum changes and extreme gravity. The temples and nose pads are made of hypoallergenic titanium alloy. With no screws and hinges, they provide optimal safety in space conditions.
How To Choose Better Night Driving Glasses?
You should select light alloy material and polymer material with memory, collision resistance, and low friction coefficient characteristics. It can effectively prevent the damage to the eyes and face caused by the friction of the broken lens frame during use. Because of its specific molecular structure, the chemical resistance is good. In the high-temperature environment. it is not easy to deform and can withstand 350 degrees in a short time of high temperature, not easy to melt and combustion. The glasses made of this material are light and strong, and the ears will not be uncomfortable because of wearing the glasses for a long time.
About celluloid glasses
In 1929, the first large-scale production of sunglasses made of celluloid was made by SamFoster, an American who ran a women's accessories company facing bankruptcy and made it convenient to use the injection molding technology used to make hairbrushes. Sunglasses made of celluloid were sold on the beach of Grand West, New Jersey, and became very popular. Indeed, celluloid glasses were once popular because of their high-cost performance, but celluloid gradually faded out of people's eyes due to its poor chemical stability, flammability, and other shortcomings, with the emergence of new materials for glasses.
Progressive lenses and single vision lenses
Single vision lenses are the most widely used optical lenses and are suitable for the general population.
Progressive lenses are suitable for below people.
① Myopia control lenses for teenagers. Progressive lenses are used to relieve visual fatigue and control the development speed of myopia.
② Anti-fatigue lenses for adults. Progressive lenses are used for teachers, doctors, people who use too much computer at close range to reduce visual fatigue caused by work.
③ Progressive lenses for Middle-aged and elderly people. A pair of glasses for middle-aged and elderly people to easily see near and far.
The price of new lenses
The price of the new lenses depends on several factors, including if you have vision insurance. Another aspect to think about is that if your lenses need an anti-glare solution. If so, the lenses may be much more expensive. If you need eye exams and special lenses, the cost can be quite high. Scratched lenses are easier to repair. If you want your scratched lenses repaired by a professional, most opticians can pay very little.
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.
