What is an aspheric lens?
Strictly speaking, any lens with a refractive surface that is not a sphere is an aspheric lens, including ordinary astigmatism lens, progressive multi-focal lens, Aspheric apical lens, etc. But customarily, our daily aspheric lens refers to the Aspheric apical lens. From the center of the lens to the periphery, the radius of curvature increases (the surface of the lens flattens out).
Eyeglass Direct
The simple and classic design can be anywhere, anytime, anything. Rimless glasses are seen less on your face and weigh less, creating a larger field of vision for your eyes. If you wear rimless glasses, the most intuitive benefits are a wider view and a more relaxed nose bridge. The bridge of the nose and temples are thin and barely visible on the face. If you wear these glasses, you can have an atmosphere of elegance, intelligence, and maturity, perfect professionalism.
Eyeglass Direct provides a large number of high-quality, rimless glasses in stylish style and attractive colors at a proper price.They ensure healthy vision, stylish appearance, and provide glasses at proper prices. Eyeglass Direct is your one-stop-shop for different kinds of rimless Eyeglass frames.
Semi-rimless glasse look more stylish.
Semi-rimless glasses are very stylish and more creative than rimmed glasses. Women looking for the perfect glasses will look more elegant and stylish in these glasses. The semi-rimless glasses are designed to make the wearer look the smartest. They are much better than rimmed glasses because they make you look more creative.
The classification is different.
Acetate frames can be divided into two kinds, one of which is the lens using acetate fiber processing of plate cutting. The other is the injection frame. It uses acetate fiber particles. Acrylic acid is a kind of unsaturated organic acid, which can be derived from a series of compounds to form a large class of acrylic products. Acrylic acid downstream products contain common acrylate and special acrylate. It has the characteristics of heat resistance, weather resistance, aging resistance, strong adhesion, water resistance, acid and alkali resistance, stickiness resistance, and environmental friendliness.
Why are eyeglass frames are so expensive?
Good frames and bad frames are very different just in how they feel. The bigger the brand company, the more money it invests in the design, research and development, production equipment, and equipment of the lens frame every year, so as to improve the wearing comfort and improve the combination and precision of the lens. Even if for the general assembly line, the processing process is also very complicated. The most expensive things to make by hand are labor and time.
KOALAEYE blue light glasses
We take classes online, telecommute and shop online... Cloud life has become the norm for people to work and relax. While it adds convenience, it helps increase the time spent staring at electronic screens, which increases the risk of eye health damage. The latest data shows that mobile Internet users spend 144.8 hours a month on average. Blue-light-blocking glasses are becoming more and more popular. Advertisements for these glasses claim that excessive exposure to blue light can cause a series of eye problems, like eye dryness, eye fatigue, and, in severe cases, loss of vision. In order to protect your eyesight, there is a kind of blue light shielding glasses on the market, claiming to protect against computer radiation and blue light. So what can you choose to prevent blue light glasses?
The material of KOALAEYE blue light glasses has the benefits of ultra-lightweight design, wear resistance, and low friction coefficient. KOALAEYE blue light blockers (with yellow tints) are effective at blocking 100% of the harmful UV rays and relieving eye strain, especially when watching TV and computer. They always pay attention to the quality of their products.
Beta Titanium Eyeglasses Rimless Flexible Optical Frame
These are Beta titanium rimless flexible optical glasses. Free delivery around the world is provided! Many colors like Gold, black, gray, red, brown, pink, blue, purple are available. They choose high-quality materials. There are high-quality photos and real customer reviews. They have different kinds of sizes, and affordable products are provided.
