Product Guide
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What kind of lens is progressive multifocal lens?
First,What is progressive multifocal lens? More than 1, gradual focus the lens is in the same lens only far between light and nearly run out, by dioptre way of gradual change, from with gradually close to use readings remotely run out and almost run out of organic togeth...Read more -
Are multifocal progressive lenses really so good?
Many people who have worn glasses for years There may be such doubts as: Wearing glasses for so long, it is really unclear the classification of lenses Myopia and hyperopia? What are single-focus and multi-focus? Stupid can't tell the difference Choosing lenses is even m...Read more -
What are the typical symptoms of asthenia, and how can we prevent it?
What are the early symptoms of visual fatigue 1. Feeling of eye drowsiness, fear of light, heavy eyelids, difficulty opening eyes, acid swelling around the eyeball and orbit. 2. Eye pain, tears, foreign body sensation, dry eyes, eyelid beating. 3. In severe cases, there ...Read more -
How to choose lens refractive index when matching glasses?
One of the questions most people hear when they get their lenses fitted is, "Which refractive index do you need?" I believe that many people do not understand this professional term, let's learn about it today! Many people in today's society believe that the more expensi...Read more -
The antecedents of lens scratches, quick to understand!
Lens scratches have always been a common problem in plastic mirror review. Today, we will explain the antecedents and consequences of scratches in detail. 1, the cause of scratches In the daily care of lenses, the lens scrubbing is not standard enough, which is an import...Read more -
Anti-fog lenses, this time hit the face!
Start summer sauna mode, the air conditioning can't sustain her life moment, as a result of indoor and outdoor large temperature difference, let out a lens glasses family was a layer of fog, both in and out of the office, moving along the subway, sweat fitness, lens of f...Read more -
Look far and see near! How much do you know about progressive multifocus lenses?
Matters needing attention ①When matching glasses, the size of the frame is strictly required when selecting the frame. The width and height of the frame should be selected according to the pupil distance. ②After wearing glasses, when observing objects on both si...Read more -
Why do peopel need progressive lenses？
Invalid of single vision： When people over 40 years old, one pair of single vision glasses might not be able to meet their requirements. They could see distance but not close, or could see close but not distance. At this time, they do need to wear two pairs of glasses, ...Read more -
What’s difference between single vision,bifocal and progressive？
1、Single vision: Single vision includes distance, reading and Plano. Reading glasses can be used to watch hand phone, computer, writing and so on. These glasses are used to see close things specially, which could make eye accommodation to be r...Read more -
How do people get nearsighted？
The exact cause of nearsightedness is not completely understood, but several factors contribute to this refractive error, which is characterized by clear eyesight up close but blurry distance vision. Researchers who study nearsightedness have identified at least two key ...Read more