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It has been hundreds of years since the invention of glasses. We can say that glasses now play a very important role in our daily lives. Students wear glasses to make out words on the blackboard if they are not in the front of the classroom. Adults wear glasses to make them more knowledgeable. Even girls wear glasses only to become fashionable. But the very purpose glasses are invented has never changed: To make people see clearly.
With the development of new technology, computers are becoming more and more popular in both developed and developing countries. And there is no doubt that computers have become a major tool to study, work or conduct business. People who spend more than two hours on a computer each day will experience symptoms of CVS (Computer Vision Syndrome). To reduce the risk of computer eye strain and CVS, prescription computer glasses has becoming more and more popular among the people who need to wear prescription glasses for vision correction meanwhile need to work in front of computer for a long time.
These days, progressive photo chromic glasses have gained much popularity among both the celebrities and the ordinary people. They are a combination of those two types of lenses, bifocal glasses and photo chromic glasses. In old days, many people suffered from presbyopic and had trouble seeing near things. They had to carry at least two pairs of glasses when they go outside. The emergence of progressive photo chromic lenses made it possible to have another option.
Some people would like to buy a rimless glass, why? Because of it combined dignified, elegant and pretty. But, the rimless is too delicacy to process with the regular lenses, the best choice is polycarbonate lenses.
Summer coming, people always wants to buy transition eyeglasses, in order to protect the eye from direct exposure to the sunlight and ultra violet rays. And, the transition lenses whether suitable for the rimless eyeglasses, or is the PC transition lens available? |
