Myopia is caused by a combination of environment and genetics First understand the causes of myopia: the currently recognized causes of myopia are environment and heredity....
Sunglasses block UV rays. The colors are different, there are 0-4 shades, and the filtering rate of visible light is different, and it does not completely block visible light. ...
A suitable color-changing glasses can not only help you resist the fierce sunlight and protect your eyes from ultraviolet rays (reducing the occurrence of cataracts), but also easy...
American Optometry Society: Children’s annual UV exposure is three times that of adults, and 80% of their lifetime UV exposure occurs before the age of 20. Children’s lens is...
Glasses are as important as the eyes for myopia patients. We often neglect their care and maintenance for glasses. Because they have been wearing them, it is inevitable that dust, grease,...
Phenomena of adjusting the frame After wearing the glasses for a period of time, if the following 5 major problems occur, you need to do the frame restoration adjustment: ...
Glasses Cleaning Coup 1. Use lens cleaning paper The special glasses wipe paper is usually a single piece of independent packaging, which can be carried with...
K: Lens coating With the popularization of electronic products, modern people's vision is getting worse, myopia is getting younger and younger, presbyopia is getting younger...
Bifocal reading glasses Some patients with hyperopia (hyperopia) like to have a "flat" or no prescription on the top of the lens, and a reading prescription on the...
1. The quality of the substrate The quality of the substrate determines the durability of the lens and the reliability of the coating. A good substrate is clear and translucent, has a long...