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Do You Know the Shelf Life of Glasses?
Most things have a period of use or shelf life, and so do glasses. In fact, compared to other things, glasses are more of a consumable item. A survey found that most people use glasses with resin lenses. Among them, 35.9% of people change their glasses approximately eve...Read more -
What is the Stress Effect of Glasses?
The Concept of Stress When discussing the concept of stress, we inevitably have to involve strain. Stress refers to the force generated within an object to resist deformation under external forces. Strain, on the other hand, refers to the rel...Read more -
Three Major Materials Of Optical Lenses
The classification of the three major materials Glass lenses In the early days, the main material for lenses was optical glass. This was mainly because optical glass lenses have high light transmittance, good clarity, and relatively mature and simple manufacturing proces...Read more -
Introduction to Polarized Lenses
When the weather is hot, more and more people choose to wear sunglasses to protect their eyes. Mainstream sunglasses are divided into tinted and polarized. Whether it is consumers or businesses, polarized sunglasses are not unfamiliar. Definition Of Polarization Polariza...Read more -
A Brief Analysis of the Coating Layers of Eyeglass Lenses
Lenses are familiar to many people, and they play a major role in correcting myopia in glasses. Lenses have different coating layers, such as green coating, blue coating, blue-purple coating, and even luxury gold coating. The wear and tear of the coating layers is one of...Read more -
Is Online Eyeglass Fitting Reliable?
The optometry is not equal to the mirror prescription Many people believe that optometry is simply "testing the degree of nearsightedness" and that once they have obtained this result, they can proceed with eyeglass fitting. However, an optometry prescription is only a "...Read more -
Progressive multifocal lens fitting
Progressive multifocal fitting process 1. Communicate and understand your vision needs, and ask about your glasses history, occupation, and requirements for new glasses. 2. Computer optometry and single-eye interpupillary distance measurement. 3. Naked/original spectacle...Read more -
Understanding Progressive Multifocal Optical Lenses
As we age, the lens, the focusing system of our eyes, begins to slowly harden and lose its elasticity, and its adjustment power begins to gradually weaken, leading to a normal physiological phenomenon: presbyopia. If the near point is greater than 30 centimeters, and obj...Read more -
Classification of Myopia
According to a research report by the World Health Organization, the number of myopia patients in China reached as many as 600 million in 2018, and the myopia rate among teenagers ranked first in the world. China has become the world's largest country with myopia. Accord...Read more -
How to Choose Glasses with High Astigmatism
Astigmatism is a very common eye disease, usually caused by corneal curvature. Astigmatism is mostly formed congenitally, and in some cases, astigmatism may occur if a long-term chalazion compresses the eyeball for a long time. Astigmatism, like myopia, is irreversible. ...Read more -
The 31st Hong Kong International Optical Fair
The 31st Hong Kong International Optical Fair, organized by the Hong Kong Trade Development Council (HKTDC) and co-organized by the Hong Kong Chinese Optical Manufacturers Association, will return to the physical exhibition after 2019 and will be held at the Hong Kong Co...Read more -
The Evolution of Eyeglasses: A Comprehensive Journey through History
Eyeglasses, a remarkable invention that has transformed the lives of millions, have a rich and fascinating history that spans centuries. From their humble beginnings to the modern-day innovations, let us embark on a comprehensive journey through the evolution of eyeglass...Read more