Select the lens.
The choice of lenses is one of the matters to note with glasses. Teenagers are active and often do sports. They can choose resin lenses, which are light, durable, and not broken. For some adolescents with complex refractive conditions, it is best to customize the lens in the case of the need for custom lenses, to get the perfect pair of glasses. Choose the refractive index that is right for you. The thickness of the edges of the lens is related to the size and shape of the frames in addition to the refractive index. The original state of the myopic lens is a circle that is thin in the middle and thick around, and then it is ground into the shape that suits the lens frame. If the thinnest center is relatively far from the edge of your frame, that is, if that frame is large, the edge of the lens will be thicker.
What's the significance of the glasses donation campaign?
The eye loves public welfare activities can increase the public awareness of eye love. China has one of the highest incidence rates of myopia in the world. With the popularity of computers and mobile phones, myopia is becoming more and more common among teenagers. Visual health is a significant component of universal health. Public awareness of eye health needs to be improved. It is the responsibility of an enterprise to support economic and social development and care for the poor and vulnerable groups. Nowadays, the myopia of teenagers is becoming more and more worrying. Good eyesight is not only very important in the learning stage, but also accompanies a person's life, so it is the responsibility and obligation of enterprises to help prevent and control the myopia of teenagers. The glasses donation activity shows the glasses industry's active action and professional spirit of fulfilling social responsibility and advocating social welfare. They can take practical actions to fulfill corporate social responsibility and help teenagers grow up. At the same time, people from all walks of life should take active actions to pay attention to the eyesight health of young people.
Single Vision vs Progressive: What Are Their Differences
In this part, we will show you some differences between single vision and progressive lenses. They differ in several factors, so here we will compare them one by one.
Progressive lenses generally have their reading zones just in the lower half of the lenses, while single vision glasses have the reading power all over the lens. So if you are working on something above your head and you need to see some small details, the progressive lenses will not work. And you can not see through the reading zone in progressive you need to switch to single vision reading glasses.
Single vision glasses are cheap than progressive lenses. Compared to progressive glasses, single vision glasses hold way fewer distortions in the periphery. So, there is no need to customize the lens design to the max. In addition, single vision glasses are often available in the optical store while the progressive often needs to be produced for you. In other words, the delivery time of single vision lenses will be shorter for you.
You can use your progressive glasses optimally just in an upright posture. As soon as you lay down on your couch, this will lead to blurry vision. The reason is your changed position which forces you to look lower through the lenses on the screen. However, with single vision glasses, you can change to an upright position and it would not be a problem anymore. You can position yourself on your couch as comfortably as you want and you can still see clearly with your single vision distance glasses.
How to Remove Coating from Glass Lenses?
To remove anti-glare coating from glass lenses, you need to prepare the following things: isopropyl alcohol, plastic scraper of some kind, salt water, water, plate or bowl.
Now, we will show you how to remove coating from glasses.
- Mix 5 parts of isopropyl alcohol with one part of saltwater.
- Place your glasses onto a plate and pour out the prepared solution just enough so the lenses are entirely submerged.
- Let it sit in the solution for an hour to soften the anti-reflective coating.
- Scrape off the anti-reflective coating using a plastic scraper.
After that, you have removed coating from glass lenses.
The frame needs to match the face shape.
Based on the basic principle of modifying the face shape, avoid wearing frames that are too similar to your face shape as far as possible, so as not to cause the lines of the face to be overly emphasized. The combination of the glasses and the face shape determines whether the glasses are suitable for you or not. Usually, we use the shape of the glasses to modify the shortcomings of the face shape. For example, for a man with a square face, round glasses are more suitable.
Cheap frames can cause skin irritation.
Some cheap frames may look like more expensive frames. But more often than not, they are made of low-level materials that can cause skin irritation over time. Cheap plastic frames can be bleached by ultraviolet light, leaving the surface rough after months of wear and tear. Cheap metal frames often contain nickel alloy, which can cause skin irritation.
Polygonal metal frame
The metallic frame that is full of contemporary and retro feeling still did not end curtain. Stylish people like to use it to match modeling nowadays.
Vintage oval frames
It's a pair of glasses with a retro, '90s-like frame feels that's very popular with hipsters. They are retro with a little cool cute.
The cat-eye style
The cat-eye style can be seen in the changing history of eyewear trends as far back as the 1940s. Flying nifty cat-eye has been unable to show the stage. But times have changed, and the styles of cat-eye have become more varied. Some brands provide multiple types of cat-eye glasses, showing different atmospheres and domineering.
