presbyopic glasses

How can you fall in love with a pair of glasses at first sight? As a professional glasses manufacturer, let’s talk about 4 details that make metal glasses unique. high quality raw materials The first is that high-quality raw materials must be used, which is one of the key factors in making high-end metal glasses. High-quality raw materials have higher purity, fewer impurities, and purer colors. Under the same process conditions, the manufactured products can be of higher quality. Precision mold Making a pair of high-end metal glasses sometimes requires multiple sets of molds. The...

As an important tool for vision correction and facial decoration, glasses have accompanied mankind for a long time. However, traditional eyewear designs are often limited by material performance and cannot take into account comfort, durability and aesthetics. With the advancement of technology, the emergence of memory metal frames has brought revolutionary changes to the glasses industry. Memory metal frames are mainly made of shape memory alloy materials such as nickel titanium alloy. This alloy has the unique property of being able to change its shape at one temperature and return to its...

In a glass jar filled with cold water, a spring is stretched. When the spring is put into hot water, the spring automatically shrinks. The spring returns to its original shape in cold water, but shrinks in hot water. The spring can be stretched and contracted, contracted and stretched again an unlimited number of times. These are made of a smart metal with memory, whose microstructure has two relatively stable states. At high temperatures the alloy can be turned into any shape you want, and at lower temperatures the alloy Can be stretched, but if it is reheated it will remember its original...