What are the components of a pair of glasses?
Nowadays, there are more and more people with myopia, and in order to see things better, many people with myopia will choose to wear glasses. People who wear glasses often have a great influence on the shape of their eyes, so don't wear glasses when you can. And a lot of accessories are needed to make a pair of glasses because the composition of eyeglasses is also very complicated. So what are the accessories for the glasses?
There are three main categories of main parts, accessories, and auxiliary materials. The main parts are frames, temples, lenses, and temple tips. Accessories include hinges, screws, nose pads, ornaments, etc. auxiliary materials include a tag, glass cloth, packing bag, PP and PE, glass case.
The development of glasses
In 1451, Nicholas of Cusa of Germany invented a lens that was thinner in the middle and thicker at the end to help short-sighted people. In 1727, Edward Scarlett, an English optician, invented modern frames that could be worn over ears and noses. Benjamin Franklin, an American scientist, and philosopher invented bifocals, which divide the lenses into far and near parts. The two lenses are held together by a metal frame. Frame construction has improved over the centuries, and today frames have come in different kinds of styles and designs. Unbreakable lenses were invented in 1955, and in 1971 a new type of lens combining plastic and glass properties was invented.
What are progressive lenses?
Progressive lenses, also called progressive multifocal lenses, are lenses that have multiple focal points. If it is divided from the focal point, the lenses can be divided into single focal lenses, bifocal lenses, and multifocal lenses. The original intention of progressive multifocal lenses is to provide natural, convenient, and comfortable correction methods for presbyopia patients. A pair of glasses can see far away, close up, and mid-range objects. After wearing them, one pair of glasses is equivalent to using multiple glasses. Because of the different nature, characteristics and applicability, progressive lenses are more expensive than single vision lenses.
Is Anti Glare Worth It?
Is anti glare worth it? To answer this question, you need to know the benefits of the anti glare glasses first. Anti reflective coating and anti glare coating offer many benefits and are definitely worth the extra cost, especially if you find yourself bothered by glare. They can help you see better, look better and feel better.
Here, we will list some of the benefits of the anti reflective coating.
- They can improve your vision by reducing bothersome reflections and glare.
- They can also provide comfort during prolonged computer use as the glasses for computer use.
- They improve visual acuity by allowing more light to reach your eyes.
- They can reduce the effect and symptoms of digital eye strain.
- They make your eyes more visible behind your lenses.
- They provide less glare when driving at night.
So, is anti glare worth it? From the above information, you can find that anti glare glasses or anti reflective glasses are worth the cost.
OSKIDE night driving glasses
With excellent night vision, this product can provide you with clear vision when driving at night, on cloudy or rainy days. In addition, it can protect you from the sun's harmful rays and bright headlights. Made of durable materials, they are flexible enough to withstand strenuous exercise and high-intensity outdoor activities. Equipped with polarizing lenses, they reduce glare and improve clarity when bright lights may be distracting, so they are perfect for sunny days or night driving. And it has UV 400 UV protection function. It protects your eyes from harmful ultraviolet and blue light.
How can I measure the frame size?
Use a ruler to measure the glasses you used to wear comfortably and record the width of the frame and the total width in front of the frame. And compared with the frame width of the selected frame and the total front width of the frame. Frame width size difference of one or two millimeters does not matter, and the total front width of four millimeters does not matter. You can use a ruler to measure the approximate distance between the temples. Usually, the width of the inner side of the frame is the same as the temple value or about 3MM larger than the temple value.
Understand the basic knowledge of prescription of glasses
The prescription mainly includes the refractive status of the eye, degree of correction required, pupil distance, and the purpose of using the lens. Nowadays, there are many brands and varieties of glasses. Glasses are usually classified according to the material, structure, and use of the lens. Most of the glasses in the prescription are classified by structure. Nowadays, single vision glasses and multi-focal glasses are mainly used, and multi-focal glasses include bifocal glasses, three-lens glasses, and progressive multifocal lenses.