Last updated on June 7th, 2017 at 07:15 pm
Why progressive lenses? You might be growing, but “mature” doesn’t need to suggest “old.” If you are in your 40s (or older) and are having trouble reading fine print with your glasses, progressive lenses use a younger-looking appearance and other advantages over the lined bifocal lenses your parents wore.
Progressive Lenses Reviews
Progressive lenses, in some cases called “no-line bifocals,” get rid of the noticeable lines of conventional bifocals and trifocals and hide the fact that you need reading glasses.
With progressive lenses, nobody needs to know whether you’re using glasses simply for style — or due to the fact that your arms have “grown too short” for you to see up close.
Benefits Of Progressive Lenses Over Bifocals And Trifocals
In addition to cosmetic advantages, progressive multifocal lenses supply a more natural correction of presbyopia than bifocal or trifocal prescription eyeglasses.
Instead of having simply two or three lens powers like bifocals or trifocals, progressive lenses are true “multifocal” lenses that supply a smooth development of many lens powers for all seeing distances.
With progressive lenses, you can appreciate see clearly across the room and in the range. You also can expect view your computer in the intermediate zone and drop your gaze down to check out and do fine work conveniently through the near zone of the lenses.
And it’s simple to adjust to today’s modern-day progressive lenses.
A “passage” of maximum lens power runs vertically down each progressive lens. Your eye care professional will take mindful measurements of your eyes and eyeglass frame in order to put the corridor in just the right place so your eyes can naturally access the numerous powers within the lens for comfortable seeing at all ranges.
And progressive lenses eliminate an irritating problem triggered by bifocal and trifocal lenses called “image dive.”
With standard bifocals and trifocals, images seem to “jump” as your eyes move past the sharply specified boundary in between the range and near parts of the lens. With progressive lenses, the shift in between lens powers within the lens is smooth and seamless, letting you alter focus from distance to near and back again more comfortably, with no image jump.
Picking The Best Progressive Lenses For Your Needs
For all powers of progressive lenses to fit within a set of glasses, frames in the past had to be fairly big. If the frame was too little, the reading part of the lens would in some cases end up uncomfortably small after the lens was cut to size and inserted in the frame.
But lens producers have overcome this problem by introducing “short corridor” progressive lenses with compact designs that supply bigger reading zones for today’s smaller sized, fashionable frames.
The popularity of progressive lenses has actually blown up over the last few years, making progressives the most extensively purchased lenses for fixing presbyopia. Today there are many progressive lens styles to fit essentially any needs.
The distinctions in lens style belong mainly to the length and width of the progressive power corridor and how much of it is dedicated to different seeing distances. Various areas of the corridor might be expanded, depending upon the design philosophy of the producer and the desired function of the lens.
Some progressive lenses are made specifically for computer use, for instance, and have a wider intermediate zone. Other progressive lens designs might have a larger reading portion. Your eye care professional is in the best position to assess which lens style will work best for you.
Adapting To Your Progressive Lenses
When you are fitted with your first pair of progressive lenses, you may need a brief adaptation period to become fully comfy utilizing the lenses. This may take just a few minutes, or it could take a few days.
Minor peripheral aberrations are inescapable in progressive lenses. It is impossible to create a seamless (line-free) multifocal lens that has several powers for various viewing distances without also creating unwanted aberrations someplace in the lens.
Lens designers and manufacturers have actually made substantial strides in lessening these aberrations and “pushing” them to the periphery of contemporary progressive lenses. However peripheral aberrations will exist even when progressive lenses are flawlessly produced using the current manufacturing devices and procedures — they are an inevitable optical limitation of all progressive lenses.
Because of these aberrations, if you glimpse to the far right or left, particularly when looking down, you may observe your vision is somewhat blurred. Peripheral aberrations likewise might cause you to experience a feeling of “swim” when you make quick head movements.
If you experience these issues when you start using a new pair of progressive lenses, you normally can eliminate them by making slight head motions to look more straight at things. The majority of people who notice peripheral vision problems when using progressive lenses discover that these concerns are relatively moderate and disappear as they adapt to wearing the lenses over a duration of a few days.
If you have a lot of hyperopia, adapting to progressive lenses may take a bit longer than if you are just slightly farsighted or are nearsighted. But with today’s lens designs, nearly everybody can use progressive lenses successfully.
To make sure you get the best value in progressive lenses, speak to an expert optician, who will be able to suggest a customized progressive lens solution for your specific needs and give you handy ideas on adapting to and caring for your brand-new lenses.