Identify the lenses of discount glasses
Look at the overall package: let him show you the overall package of the lens. See that if the factory is in China, Shanghai, China, or Zhejiang, China, etc. Look at the anti-counterfeiting logo. It doesn't necessarily mean it's good. Check the production plant, address, news, etc. In short, lens judgment, for the average consumer, is difficult, but when you put forward these requirements, the store will at least think you are more professional.
Cosmetic Contact Lenses & Chromatic Contact Lenses
We are used to referring to chromatic contact lenses as beautiful contact lenses. In fact, beautiful contact lenses are a registered trademark of Johnson & Johnson in 2007. It is the name of a product series of Johnson & Johnson. Not all chromatic contact lenses are called beautiful contact lenses. Regular contact lenses can have complications if they are not properly worn, and these can also be seen in chromatic contact lenses. But because the color piece was much a layer of pigment, if the quality is not up to standard, there will be greater safety hidden trouble.
Which are better, elastic or inelastic frames?
The more elastic the frame, the better, because only good elasticity can be naturally worn on the face, not sliding. It is comfortable. On the contrary, when you wear it, the temples are open. Because without elasticity, they can't go back to their original state. When you put it on, it creates a feeling of slipping and sagging. We often see that some people repeatedly with hand glasses. This is this problem. In order to pursue good elasticity, high elastic materials such as titanium and stainless steel are widely used in the production of spectacle frames.
How to Choose Glasses for Round Faces?
Before proceeding with how to choose glasses for round faces, you need to what your face shape is. The round face shape has fuller cheeks which can give a more youthful appearance. The chin is rounder and the forehead widens at the top. In some cases, the jawline is softer than other face shapes. However, if you do not know what your face shape is, you can click here to check.
What is the progressive multifocal lens?
The lens of progressive multifocal glasses can change the refraction of the lens at the upper part of the central channel of the line of sight, which can effectively solve the difference of refraction when people view objects at different distances from long, medium, and short distances. Depending on demand, people have the flexibility to change or compensate vision according to visual distance, making it easier to help to adjust your vision in a variety of situations.
Consider the elements of frame comfort.
What we need to know is that the frame exists first as a positioning device for the lens, and secondly as a beauty. The pupil is consistent with the optical center of the lens, so it should not be too high or too low. The horizontal direction is not skewed, and there is no one high and one low phenomenon. Bilateral symmetry is a standard for manufacturing enterprises. Non-mechanical symmetry is for the wearer. The frame should be adjusted according to the size of the wearer's face. The frame is not easy to slide down, and frequent slide is prone to the phenomenon that the pupil is too high and low to match the face.
The oval shape is suitable for all kinds of frames.
Women with oval face shapes are very in line with Oriental aesthetic standards of beauty face shape.All kinds of frames are suitable, just pay attention to the size of the frames should be proportional to the size of the face. Especially female ellipse face, appropriate chooses the frame of any design but had better not use a straight-line frame, namely too tall too flat frame. All kinds of frames are suitable. Just pay attention that the size of the frames should be proportional to the size of the face. Especially women with ellipse faces can properly choose the frame of any design, but they had better not use a straight-line frame, namely, too tall too flat frame.
