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Overview of Progressive Lenses

Progressive-LensesProgressive lenses have been quite popular over the last few years. Commonly, a progressive lens is also called no line bifocal. These lenses are used in classes to correct presbyopia. This is a condition in which your eye loses the ability to change its focus to clearly see objects which are near. Progressive lenses are the perfect remedy, and allow you to clearly see at all kinds of distances.

A basic overview of progressive lenses

In simple terms, when presbyopia begins to affect an individual’s eyes and vision, he or she will definitely need a bifocal. As the name suggests, bifocal lenses contain separate portions for distance and near vision. These portions are separated by a very distinct line. Bifocal lenses are able to bring your vision into focus when you’re looking at a far distance and suddenly bring your vision to focus on close objects. In order to change focus, you don’t have to take off your glasses.
Although, a progressive lens works in a similar manner like a bifocal, there is one key difference. Progressive lenses don’t have any visible lines to separate the portions of the lenses. Instead of using a distinctive line, progressive lenses contain a very smooth graduation of two different lens powers.
Progressive lenses provide a wearer with some exceptional benefits. Before we discuss the benefits of progressive lenses, let us explain some of the key features:

  1. much wider field of vision
  2. higher adaptation rate, wearers are easily used to them
  3. easy to focus
  4. minimal distortion while viewing sideways

Key benefits of progressive lenses

According to most experts, they are able to provide the most natural and clearer vision possible. Since you look down through a progressive lens, you’re reading power will also gradually increase while using them. Due to this, with progressive lenses, you not only have clearer near and distance vision, but also a much better and clearer intermediate vision.
In recent years, they have also been considered the best choice for cosmetic appearance. Since there is no demarcation line on a progressive or no — line bifocal lens, your glasses will just look like they have a single vision lens. Most of the mature people immensely enjoy this feature because of the youthful appearance they’re able to achieve.

Points to consider while choosing progressive lenses for glasses

In order to make sure that all powers of no — line bifocal lenses can perfectly fit within your eyeglasses, you need to use relatively larger frames. In case you’ve been using a small frame, the reading portion of the progressive lens will sometimes feel uncomfortable. It will seem smaller after the lens has been cut to size and inserted in your frame.

However, most manufacturers have overcome this menial problem. And while ago, short corridor lenses were introduced. These have compact design which can provide larger reading zones compatible with modern days fashionable and smaller frames.

In recent years, the popularity has significantly increased. In fact, they have become the most widely used to lenses for presbyopia. Currently, manufacturers produce a lot of different designs to fit all kinds of needs and requirements of customers.

Most of the differences in these designs are primarily related to do with and length of the progressive power corridor. They also depend on how much the lens is devoted to separate viewing distances. With progressive lenses, different areas of the power cord or can also be expanded. However, this will completely depend on the design philosophy adopted by the manufacturer and purpose of the progressive lens.

For instance, some are specifically designed for computer use. These have a very wide intermediate zone. Others may serve different purposes, and the reading portion may also be larger. It will be better to discuss your options with your eye care professional.
It is worth mentioning that they are available in a wide range of materials. Some of these include regular glass, plastic, high — index, polycarbonate, and photochromic.

How can you easily adapt to progressive lenses?

Once you’ve started using your very first pair of no line bifocal or progressive lenses, you will need a short adaptation period. It will take some time before you feel comfortable using these lenses on a regular bases. For some people, it may take a few minutes, while others may take days to adapt.

Although the combination of lens powers in no — line bifocal lenses allows you to see properly at all distances, there may be some minor aberrations. These may be caused in the peripheral part of your lenses. Mostly, problems occur around the right and left of the progressive power corridor.

While using these lenses, when you glance to your far left or right, or look down, there’s a good chance that your vision might be blurred. Due to peripheral aberrations, you may experience the sensation of swimming while making quick head movements.

In the last few years, manufacturers have used a lot of different and innovative techniques to reduce problems like peripheral aberrations. Due to this, adaptation to progressive lenses has become a lot easier. These days, first-time glass wearers feel comfortable while using progressive glasses immediately.

However, if you still experience any blurry vision while wearing, you can easily culminate this problem by learning to make small head movements. This way, you will be able to look directly at objects. It is worth mentioning that most vision problems related to progressive lenses are temporary and mild. Once you adapt to these lenses, these problems disappear.
In order to make the most of progressive lenses, you should talk to an optician. A professional optician will be able to recommend a progressive lens solution for your needs and requirements. He will also give you some useful tips about caring for progressive lenses.

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