The lenses of prescription glasses
Common materials for lenses include glass, resin, and PC. The glass is fragile and heavy, and few people wear it anymore. PC film is tough and not fragile, but it is not resistant to high temperature and the surface is easily scratched. The most common type of lens on the market today is the resin lens, which is light in weight, hard to break, and reasonable in price. At present, it is generally recommended that you choose resin sheets, and it is recommended that people with ultra-high myopia choose glass sheets.
Generally, lenses can be divided into spherical and aspherical surfaces according to different curvature designs. When choosing, refer to the degree of the eye. For people with lower degrees, There are fewer differences between the two shapes. For people with moderate to high myopia, aspherical lenses will have better imaging effects and clearer vision.
When choosing a lens, a parameter that is often mentioned is the refractive index. Common refractive indexes are 1.56, 1.60, 1.67, and 1.74. With the same degree, the higher the refractive index, the thinner the lens.
American Eyewear Brand - Sola International
Sola is a global leader in the design and material development of eyewear lenses. Through intensive investment in research and development, Sola continuously creates innovative new products that give people around the world a better perspective on all aspects of their lives. Sola is mainly engaged in the design, development, production, and sales of different progressive high-value-added optical products. Its main products are optical lenses, sunglasses, safety lenses, and optical instruments. They have manufacturing facilities in the United States, Australia, Ireland, France, Brazil, Venezuela, Mexico, Singapore, and China. And have 41 distribution centers in 17 countries. Every day, customers in more than 50 countries and regions choose from more than 20,000 high-quality products provided by these distribution centers.
How to drive at night with glasses?
Far-light is easy to cause blind spots for drivers of opposite vehicles, and it is possible to cause traffic accidents when driving in the cities. In the process of driving, if the driver encounters the situation that a high beam disrupts the line of sight, can turn the eye in the left or right direction, avoid light sources, and allow your eyes to gradually adapt to the other person's light source. If you can't see clearly, slow down or even pull over.
Identify reliable online stores
Online stores division of labor has customer service, processing, packaging, warehousing, after-sales service, operation, art, etc. For processing accuracy, although the equipment is now much higher than before, as long as it is artificial, there will be errors. Even with the highest Essilor automatic grinding machine at present, it is possible to produce errors when the center point and the suction cup are manually operated. After processing is completed, a responsible shop will recheck the number. If the error is large, it must be reconfigured. The formal glasses mall can ensure that the true lens and this is the basic point of a good pair of glasses. Find reputable brands that are proven and believed by most consumers. The online shops should have perfect pre-sale and after-sales service. Professional pre-sale service can give professional guidance.
Geek 111 Glasses
The Geek111 is a unique, yet timeless frame containing decorative metal plaques. The metallic trim makes it a stylish combination, and for this frame, there are several different colors to choose from, including black, brown, and gray. They can easily add anti-reflective coating and/or different lens colors so you can be more confident when driving at night.
The style of prescription glasses
Choose the material, and then choose the style. The width of the appropriate frame should match the distance between the two pupils to ensure that the eye can pass through the optical center when looking at things. Choose the right style according to your face shape. Generally follow the complementarity principle, such as choosing square frames for round faces and round frames for square faces. After choosing the frame, you should try it on for a while to see if the weight is appropriate and the style is suitable.
What are memory metal frames used for?
Bendable glasses can be used by anyone who is afraid of breaking their glasses, breaking their frames, or bending their legs. In addition, the metal has high strength and elasticity, which can be tossed around freely. It is more durable, allowing the wearers to have comfort and freedom. Don't worry about having to change your glasses every time you sleep, sit on them, or drop them. They are best suited for children.