When should I use blue light glasses?
Most of us spend a few hours a day in front of a screen. Because so many people work on a computer all day, many people wear blue glasses in the office. At the same time, many American high school and college students spend hours a day on their computers and could benefit from blue light glasses.
Phone can identify polarized sunglasses.
Take a mobile phone with an LCD screen, turn it to maximum brightness, and look at the LCD screen through the lenses. Make sure the lenses are parallel to the display, and then slowly rotate the phone. When the true polarized lens is rotated at a certain angle, the light from the display becomes obviously darker, or even pitch-black. If they're not dark, they're not polarized sunglasses.
How much does it cost to change the frames?
The price of changing a glasses frame is very different, from tens of yuan to thousands of yuan, mainly to see the quality of the glasses, material, and so on. Still, you should think about: the use of fixed a number of years of glasses if the glasses have wear and tear if it is worth to change.
Is a nose pad become green harmful?
Pure copper rust contains bacteria that affect the skin and can cause breakouts or skin irritation. High-end glasses are made of alloy materials with lead and nickel not exceeding the standard. Low-end and cheap glasses may not contain environmentally friendly alloy, which will do harm to the human body if it rusts.
Choose the frame according to the face shape
Just like hairstyles and beards, frames should also be chosen according to your face shape. Of course, there is more than one frame for each face shape, and you can also prepare a few more pairs for yourself to match different styles. Try to avoid wearing spectacle frames that are too similar to the face shape, so as not to cause the lines of the face to be over-emphasized. Usually, the shape of the face is round, oval, square, rectangle, and heart-shaped. For example, if your face is square, you should choose glasses frames that are slightly wider than the shape of your face. This will make your face shape looks slightly slender. If the face is round, angular and square frames will help modify the lines of the face.
Can men wear clear frame glasses?
Clear frames are suitable for young men and women, handsome, with personalities. But if older people wear it, they will look old. Clear glasses frame is more stylish with personality, and it is very fashionable but not for everyone. Choose this kind of frame, you should consider the age, face shape, and so on. Clear frames are usually more suitable for younger people because they are younger and more handsome.
How Should Glasses Fit?
You should check the placement of the bridge. The bridge is the small middle piece on the front of your frames that sits on your nose. This measurement is usually the middle number displayed on the inside of your temple. The bridge should rest comfortably on your nose without pinching or sliding off. A correctly fit bridge will also ensure your glasses sit properly on your face and your eyes are aligned appropriately within your lenses.
How should glasses fit? You need to consider the size of your lenses, which is essential to the proper function of your prescription, especially with the progressive lenses, because it ensures that there is enough space for the near, intermediate and distance zone powers of your prescription.
