Ray-Ban's clear glasses are of high quality.
As a high-end glasses brand, Ray-Ban leads the youth fashion, frame technology, and style design breakthroughs and innovations. In the shape of the design, the Ray-ban myopia glasses use ergonomic principles and are very consistent with the considerate surface type. They are safe, natural, and comfortable to wear. In the design of the frame, the use of double screws, so that the lens fixed is very stable. And the weak arm end design can be adjusted according to the profile of the face, easy to wear, very bright, and shiny in the vividness of color.
Eye Contact
Eye Contact has been providing the most discerning customer service since 1996 and providing comprehensive care and designer glasses for your family. Each patient has unique visual and lifestyle needs and Eye Contact strives to find a wonderful customized visual solution for each individual. It provides a large selection of frames and the best contact lenses for your work, hobbies, and pursuits.They have experts who take into consideration your face shape, personal preferences, and budget, and they always recommend the perfect couple.
Progressive lenses and single vision lenses
Single vision lenses are the most commonly used prescription lenses. This lens type has a single field of view or a prescription ability of the entire lens and can be used to correct myopia (nearsightedness) or hyperopia (supervision).
Progressive multifocal lenses are lenses with different upper and lower powers for the upper part to see far, and the lower part to see near. The distance from the fixed power above the lens to the fixed power below the lens does not change suddenly, but there is a gradual transition between the two through the gradual change in refractive power.
How to maintain a hard-coated lens?
The hard-coated resin lenses can be identified by the sound of the tabletop tapping and the color brightness of the lenses. The lenses, which sound clear and have bright edges, are hardened. In daily use, avoid overheating environment. Avoid contacting with alkaline liquid, so as not to cause damage to the lens. And this damage is usually not formed in an instant.
Long-term use, sun exposure, and so on may make the coating slowly fall off. If the production of hard film technology is worse, the film is easier to fall off. When cleaning and adding a hard-coated lens, clean the particles on the front and rear surfaces of the lens with clean water first, and then blot dry with a clean soft cloth. Do not wipe the surface when the lens is dry.
The frame of prescription glasses
At present, the more common materials for frames are non-metal and metal. Non-metals mainly include TR90, sheet material, etc., and metals include alloys, titanium, and so on. TR90 and sheet material are actually plastics, but they are firm and are not easy be deformed at room temperature. Also, they have good formability so that they can be made in many fashionable styles. The general alloy material has good firmness and flexibility, but the disadvantage is that it is easy to fade. The pure titanium frame is corrosion-resistant and very strong. It is about 40% lighter than the general alloy frame. It must be welded and electroplated in an oxygen-free state, which requires high equipment and technology. Relatively speaking, the price of TR90 and alloys will be lower, and pure titanium will be more expensive. You can choose according to your budget.
Leimi Driving Glasses
With professional production and sales of sunglasses/flat glasses/sunglasses, Leimi has been focusing on the fashion aesthetics of sculpted glasses. They are presented through the exquisite selection of materials and fashionable and comfortable design. Leimi carefully makes glasses and discovers the beauty of the world together. Leimi advocates for consumers to experience the number of products through the exquisite materials and fashionable and comfortable design of various glasses products. Leimi believes that it can impress consumers with its products. Since its establishment, Leimi has always been striving to treat customers with high-quality products and good service. At present, Leimi's main products are swimming goggles, reading glasses, sunglasses, lenses, anti-radiation glasses, sunglasses for women, children's glasses, glasses frames, polaroid glasses, driver's glasses.
What Are Trifocal Lenses?
When you are over 40 years old, your eyes may become old, too. Your corrective lens requirements may become increasingly unique, Most people are familiar with bifocal glasses but unfamiliar with trifocal glasses. So, in this post, we will show you what trifocal glasses are.
Trifocal lenses have three different corrective lenses within one lens to offer you intermediate, distance, and near correction, all in one pair of glasses. The varying levels of correction cab are laid out in a couple of different ways to ensure the layout suits your unique vision needs and comfort level.
The near vision is to correct close-up vision, the intermediate vision is often used for card playing and staring at the computer screen fall with this range of vision, and the distance vision is often used for driving or looking at a whiteboard.
