The disadvantages of progressive lenses
- The field of view in the near and middle distances is relatively narrow.
- The adaptation time is longer and patients with greater astigmatism are not suitable for wearing.
- The peripheral aberration is large, and there will be large astigmatism in the periphery.
How To Use Contact Lens Correctly?
Check your eyes for abnormal cases. Do your eyes sting or dry? If so, it is recommended not to wear contact lenses for the time being. Look in the mirror to see both eyes carefully, if it is red and swollen or if is both eyes full of bloodshot? If you do, you can no longer wear contact lenses, and you can go to a professional store for inspection. After putting on the contact lenses, block the left and right eyes respectively to see if the vision of one eye is clear. If the eye vision has decreased or blurred, check if the lens is dirty. If the lens is still the same, you should go to a professional store to find out the reason.
Why do nose pads turn green?
Because there are copper accessories in glasses. And the copper and sweat mix for a long time, so it will corrode and rust. The greenness is the mixture of copper salt (copper rust) produced by the copper element in the coating and inorganic salt in sweat and grease dust. The color of copper is green, so is the dirt. If you sweat a lot and the lens bracket is metal, the nasal bracket silica gel is easy to turn green. This is usually due to oxidation caused by the combination of nickel with the natural oils in the skin. Your nose is usually the oily part of your body. The oil in the nose mixes with sweat and then oxidizes the metal. Glass frames are usually made of a kind of copper called Monel. Monel is an easily corroded metal that does not react to many chemicals. It's skin-friendly. The only downside is that it turns green when it rusts.
How to Get Used to Progressive Lenses?
In this section, we will show you how to get used to progressive lenses.
- Always wear them. If you try and ease your way in by changing them with your previous glasses, it will take a longer time to adjust.
- You need to find and use new areas in your lenses instead of using whatever space is most convenient.
- Make sure you have a comfortable frame that is adjusted for your face.
- Make sure that the optician fits the lens in the right way with the right equipment.
So, if you have difficulty getting used to the progressive lenses, try the above ways.
Convenience and timeliness.
The essential carrier of Mobile applications is the mobile terminals. As the name suggests, these mobile terminals are not only smartphones and tablets but smart glasses, watches, clothing, accessories, and other kinds of personal belongings. They are part of what the human body wears and can be used anytime, anywhere. People can make full use of the fragmented time in life and work to accept and process all kinds of information on the Internet. They can no longer worry that they will miss any vital information, time-lapse information.
How to drive at night with glasses?
Far-light is easy to cause blind spots for drivers of opposite vehicles, and it is possible to cause traffic accidents when driving in the cities. In the process of driving, if the driver encounters the situation that a high beam disrupts the line of sight, can turn the eye in the left or right direction, avoid light sources, and allow your eyes to gradually adapt to the other person's light source. If you can't see clearly, slow down or even pull over.
Anti Fog Safety Glasses - Safety Goggles Over Glasses
Anti-fogging safety glasses reduce deformation, effectively prevent fogging, and avoid fogging which affects vision in use. The angle of the goggles can be adjusted in accordance with the different foreheads (30 degrees). They can use a variety of large-size myopia goggles, safety glasses. It can effectively protect eyes from saliva, sand, metal fragments, and so on.
