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Posted on 10-11-2017
Progressive vs. Bifocal Lenses - What's the Difference?
Some vision problems can be adequately corrected using single vision lenses that implement a single prescription strength across the entire lens. But there are plenty of patients who have more complex vision needs that can’t be met with a single lens design. That’s when bifocals and progressive lenses can help. These lenses offer more than one “viewing zone” to accommodate people whose eyes require different prescriptions depending on the type of vision they need. If your eye doctor says you need this type of lens to enjoy the clearest possible vision, the next step is to decide if bifocals or progressives make the most sense for you.
Choosing the Best Lens for Your Needs
When it comes to selecting new glasses, most people focus primarily on the frame style and design. And while your frames can have a big impact on your appearance and even your self-confidence, they’re just one part of the equation. You also need to make sure you get the right lenses made of the highest-quality materials for clear, crisp vision. At Hobson Eye Associates, our lenses use state-of-the-art materials and technology for improved precision in lens fabrication - an especially important factor when you need lenses with more than one focal area, like bifocals or progressives.
Bifocal lenses are divided into two distinct viewing “zones” - one area (the top of the lens) which is designed for distance viewing, and one area (the bottom portion) for close-up work like reading. This lower portion can comprise about half the lens or it may be restricted to a much smaller area, leaving most of the lens available for distance viewing. Your optometrist will “fit” the lens according to your specific needs. Bifocals can be helpful for people who have difficult completely close-up tasks but still need help with distance vision, and they’re also used in lids and young adults with certain vision issues, like problems with eye “teaming” (focusing as a pair). For many years, bifocals were the sole solution for people who required different prescriptions for near and far vision, including older adults with presbyopia. More recently, progressive lenses have emerged as a more popular option to the traditional bifocal design.
Progressive lenses are designed to have multiple areas of focus contained in one lens, and unlike bifocals (and trifocals that have three viewing “zones”), the progression from one viewing area to another is seamless - more like the way your eyes see naturally. There’s no annoying “jump” from one zone to another, and progressive lenses also lack the lines that define specific viewing areas in bifocal lenses, making them a more popular option for many patients. Your optometrist will take very precise measurements of your vision at different distances to ensure your lenses are optimally designed and crafted for you so you can enjoy the best vision at any distance.
Visit Your Kennesaw Eye Doctor to Find Out More
As a top provider of glasses for patients of all ages in and around Kennesaw, Hobson Eye Associates can help you learn about your lens options so you feel confident you’re choosing the best design for your needs and your lifestyle. Plus, we offer a complete frame shop featuring a huge selection of brands - even designed brands - to make glasses shopping simple and convenient. To learn more about bifocal and progressive lenses or to schedule an appointment with an eye doctor, call Hobson Eye Associates at 770-424-2020 today.
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