Bifocal eyeglasses are very useful. After all, they help to correct both near as well as far vision. After the introduction of the first bifocals, people no longer had to rely on separate pair of glasses to correct their near and far vision problems. In fact, they were so useful that even those who were till then wearing separate glasses to correct their near and far vision problems started to opt for single bifocal glasses. And, with the introduction of high performance progressive glasses there was no longer any need to wear separate glasses.
Before you go out and buy bifocal glasses you should find out whether they are right for you or not. The best way to answer this question is by asking yourself where as well as when you need to wear glasses and what distances you use your glasses the most. If for example you need to wear glasses to rectify intermediate distance vision problems then you will most probably not need to wear bifocals because these glasses come without intermediate diopters. However, if you mostly use your glasses to solve near and far vision problems then bifocal glasses are perfect for you.
Most people who opt for bifocals are those who need glasses to help them read and to watch television. These people generally do not sit in front of computer screens for too long. Also, people who have tried to wear progressive lenses and who found it difficult to adapt to them will also want to buy bifocals. The same is the case with people who already owned such glasses before and who now need a new pair.
Before choosing bifocal glasses, you should also take a close look at the pros and cons of wearing such eyewear. If you are determined not to wear two separate glasses to correct your vision then you should opt for glasses that solve your near and far vision in one pair of glasses. You may also want to wear these glasses because they are less costly as compared to progressive lenses or you may want to wear them because they can be mounted in any frame. The nice thing is that these glasses can be made from almost every different kind of lens material including glass and plastic as well as polycarbonate materials. The nice thing about wearing bifocals is that they can be equipped with virtually every different kind of coating including anti-reflective, photochromic and more.
You may not want to wear bifocals if you are not keen on waiting to adjust to these types of lenses. You may also not want to wear these glasses because they do not have diopters for intermediate vision. Or, you may not want to wear these glasses because progressive lenses are now available that are more technologically more superior to bifocals. You can think of progressive lenses as Blu-Ray discs and bifocals as CDs.
Bifocal glasses are suitable for those who do not need glasses to correct all vision distance problems like near, intermediate and far. If you only want to own one pair then you will do well to opt for bifocals and the same is the case if you do a lot of reading and if you also watch a lot of television. If you have tried to wear progressive lenses and you found that it was not easy for you to adjust to them then again you will do well to choose bifocals.
A majority of historians say that it was an Italian called Salvino D’Armate who first introduced bifocal glasses to the world in the year circa 1284. Five hundred years later, Benjamin Franklin was credited with developing bifocal reading glasses. Today, despite the fact that laser corrective eye surgeries have become so popular, bifocal glasses are still much in demand. This is because these glasses are made with better technology which has resulted in greater precision in modern bifocal corrective vision glasses. The introduction of the no-line bifocals and the introduction of sophisticated progressives have meant that people have more and better choices today.
Before you go out and buy bifocal glasses there are a few things that you have to keep in mind. The first is the thickness of the lenses. Thin lenses are better as they are light and comfortable. When choosing lenses be sure to look for those that come with UV protection as this helps to protect your eyes from the harsh UV rays of the sun. Thirdly, be sure to pick lenses that have scratch protection properties. This scratch protection property will protect the lenses and will ensure that you can wear your glasses for longer periods of time. Also, when choosing lenses, makes sure that you go with those that have anti-glare properties. Finally, when choosing bifocal glasses makes sure that you know how to choose between standard bifocals and progressive (no-line) bifocal glasses.