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.
Is there a standard for lens material selection?
No, again, according to your needs and budget. The materials of lens mainly include glass and resin, among which resin materials are divided into thermoplastic materials and thermosetting materials, respectively represented by PC and CR39. Different from the lens frame, the lens market choice is more uniform. And in recent years, resin lenses do better and better, most people choose thermosetting resin lenses.
Why My New Glasses Give Me a Headache?
The new glasses make me dizzy or headaches. You may have these symptoms when getting a new pair of glasses. Why do the new glasses give me a headache? When getting used to the new glasses, your eyes and brain have to work harder to see clearly through your new lenses. The more your strain to see, the more likely you are to get a headache.
So, how long to adjust the new glasses? It may take a few days. If you still feel uncomfortable after wearing the new glasses for a few weeks, you should ask for the eye doctor or the optician to check whether your glasses are made correctly and check whether your prescription is correct.
In addition, if you want to get a new pair of glasses, you can try Koalaeye Optil, which is an online optical store and helps you to prescribe your eyeglasses with great convenience. Koalaeye Optical provides various glasses, including progressive glasses, blue light blocking glasses, sunglasses, driving glasses, and different shape frames.
QINA glasses
The clear frame glasses are classic, understated, simple, and stylish, defined by clean lines and minimal details. Whether you have an important meeting to attend or are relaxing in front of your favorite show, clear frames can easily blend into your wardrobe.
Founded in 2013, it is a fashion brand for young people and launched by the merger of two major eyewear companies Essilor and Luxottica. Dedicated to the study of pop culture and different product attributes, they bring interesting collocation creative inspiration for the young groups. Sunglasses and optical glasses are available, where stylish young people can find a variety of styles. Frame price is 300~500 or so commonly.
What Is Trivex Lens?
Trivex is another light, impact-resistant eyeglasses lenses. Like polycarbonate lens, Trivex is an excellent lens material for safety applications and children’s eyewear.
Trivex lenses are made of a urethane-based monomer. They are produced using a slower, cast molding process similar to how regular plastic lenses are made. The liquid lens material is slowly baked until is set. This gives Trivex lenses the advantages of sharper optics than injection-molded polycarbonate lenses.
Visionworks
Eyeglass frames aren't just about sight, they're a fashion statement. In the Visionworks collection of designer glasses, there are top brands to choose from, including Nike, Ray-Ban, and Guess. By using the filter, you can browse the frames by category, gender, brand, price, color, lens type, and more, making it easy to buy glasses online. While the lenses sharpen your vision and bring the world into focus, the frames are a statement of your personality and style. If you want to buy glasses online, they offer a good price option.
What to consider when buying eyeglasses?
Usually, people with lighter skin tones choose lighter color frames, while those with darker skin tones choose dark color frames. For example, people with lighter skin tones can choose soft pink frames, tortoiseshell frames, or gold and silver frames, while those with darker skin tones can choose red, black, or tortoiseshell frames.
