Bertoni polarized glasses
Bertoni polarized night vision driving glasses are made of strong, flexible, durable, and ultralight polycarbonate. Yellow polarization increases contrast, improves visual acuity, and filters out blue light. They are great for drivers, cyclists, and winter sports enthusiasts. The driving glasses with polarized yellow lenses block glare from headlights, reduce night driving glare, improve night vision, and improve color clarity and visual clarity. They are ideal for driving in low-light conditions. Most sports sunglasses glasses frames and goggles are made of polycarbonate because of their strong, thermoplastic, lightweight, and impact resistance features.
How to choose blue light blocking glasses?
Look at lens color. Ordinary lens and blue light blocking lens is the same yellow-green film, and they can be placed in light to identify the place.
Regular lenses have a yellowish tinge in the reflection of light. And anti-blue light glasses film color, there is the blue color in the yellow and green film, this is because of the reflection of blue light.
Look at the instructions. Check the specs and test reports of glasses. Look at the lens manufacturer's qualifications and whether the lens contains radiation.
Pay attention to the frame
The frame stability is good, in line with the shape of the customer's face. Usually, you should not choose a rimless frame with easy deformation, to ensure that the curvature of the front surface of the frame and the wearer's forehead arc is consistent. The frame must have enough vertical height, which can be selected according to the type of lens selected, otherwise, it is easy to cut off the near or far part when cutting the edge.Adjust the front angle of the frame based on the facial features of the wearer to match the frame with the face, which helps to maintain enough gradient field of vision.
The origin of aspheric lens
The Visby glasses, unearthed in Gotland, Sweden, are the earliest aspheric lens found. The Vikings in the 11th century used it as a magnifying glass, and some of the best ones were made of silver, making them look like handicrafts. In 1667, Francis Smethwick grinds the first high-quality aspheric lenses and presents them to the Royal Society. That's a telescope with three aspheric elements. In 1956, Elgeet, which originally designed and manufactured optical instruments for the U.S. Navy, produced the world's first mass-produced aspheric lens for photography (Golden Navitar 12mm F1.2) for a 16mm film machine. Today, aspheric lenses are found in everything from tall telescopes to missile guidance systems to camera lenses. In the glasses we wear, the aspheric lens is familiar to consumers.
Eachsee glasses is a professional online glasses platform! They focus on providing high-quality online glasses services for urban white-collar workers, fashion, and high-end business people. With the manufacturer's direct supply, they have the whole category of self-management. Glasses matching is strictly implemented in accordance with national standard 2011: multiple quality inspection links.
Driver's protective glasses
The principle of the driver's protective glasses is to use the special film on the glasses to reflect the strong light hitting the glasses back to protect the eyes. It can protect against ultraviolet, infrared and blue light on foggy and rainy days. In snowy weather and at night, the wearer can see the scenery more clearly, and it can also increase the vividness of red, yellow, green, white, and other colors, and eliminate the glare and reflected light of the oncoming cars when meeting cars at night.
Can I get a prescription for contact lenses?
Once a contact lens prescription is established, you are entitled to a copy. In some cases, this may occur after a diagnostic match. In many typical GP lenses and special designs, such as bifocal, annular, keratoconus, or postoperative, it may take several examinations before a successful match can be made and a prescription can be provided. If contact lenses are not issued by a doctor, it is important that whoever dispenses them is completely accurate. A soft lens Rx usually includes lens material name, design, power, base curve, and diameter. GP lens prescriptions usually have this information and more, like perimeter curve radius, center thickness, special perimeter design, and optical area diameter.