As we age, it’s common to experience changes in vision, requiring potential support for both near and far sight. Bifocal and varifocal lenses are designed to meet these needs, offering a convenient alternative to switching between different pairs of glasses. While both resolve similar vision problems, they function differently and cater to different preferences. Let’s learn about bifocal vs varifocal glasses to equip you to choose the right lens type for your prescription and lifestyle needs.
What are bifocal glasses?
Bifocal glasses are fitted with lenses created with two distinct optical powers: one for distance vision (usually at the top) and another for near vision (typically at the bottom). These sections are divided by a visible line across the lens. The design allows the wearer to switch focus by simply tilting their gaze – looking up for distance and down for close-up tasks like reading. While bifocals are straightforward and easy to get used to, some people may find the visible line cosmetically unappealing or distracting.
What are varifocal glasses?
Varifocal glasses are fitted with progressive lenses that offer a seamless transition between multiple vision zones – distance, intermediate (like computer screens) and near. Unlike bifocals, they don’t have a visible line, making them look just like regular single-vision glasses. The gradual change in prescription means you can shift your focus naturally, without sudden jumps in clarity. However, they do come with a short adaptation period as your eyes learn to adjust to different spots within the lens for different vision needs.
Bifocal vs Varifocal Glasses: Key Differences
Pros and cons of bifocal lenses
| PROS | CONS |
| Easy to use with clearly defined zones | The visible line can be aesthetically unappealing |
| Fast adjustment period | Sudden image jump between focal zones |
| Typically, more affordable than varifocals | No support for intermediate vision |
Pros and cons of varifocal lenses
| PROS | CONS |
| No visible line, more discreet | May take time to adapt |
| Offers correction for near, intermediate, and distance vision | Slightly higher price point |
| Natural viewing experience without image jumps | Initial dizziness or distortion for some users during the adjustment phase |
Which one is the right fit for you – bifocal vs varifocal glasses?
When talking about bifocal vs varifocal glasses, you need to remember that they both offer practical solutions for people with multiple vision needs. The right choice ultimately comes down to your daily routine, comfort and how quickly you adapt to new lenses.
So, if you are choosing between bifocal vs varifocal glasses, you need to critically evaluate your vision requirements, lifestyle and personal preferences. If you mostly switch between reading and looking far away, and want a simple and cost-effective solution, bifocals might work well.
However, if you often work on computers, drive regularly, and require smoother vision transitions, varifocals may be a better fit. A consultation with your optician can help determine what’s best for your individual needs.
FAQs
Which is better for computer work?
Varifocal lenses are typically better for computer work in comparison of bifocal vs varifocal glasses as they offer a dedicated intermediate vision zone, making screen viewing more comfortable.
How quickly do varifocals adapt?
Most people adjust to varifocal lenses within a few days, but some may take up to a few weeks. However, this can vary depending on your visual habits and previous lens experience.
Are varifocals costlier than bifocals?
Yes, varifocal lenses usually cost more due to their advanced design and manufacturing process.
Can you drive safely with these lenses?
Yes. Both bifocal and varifocal lenses can be used for driving. However, when comparing between bifocal vs varifocal glasses in this context, varifocals offer a smoother transition between looking at the road, dashboard and mirrors once you are used to them.
Are bifocals suitable for children?
Bifocals can be prescribed to children, especially for managing certain conditions like accommodative esotropia, but their use should be guided by an experienced eye care professional.
Wut Win is a qualified Dispensing Optician at Feel Good Contacts and a member of the Association of British Dispensing Opticians (ABDO). She is registered with the General Optical Council (GOC) and adheres to its professional guidelines. Wut graduated from City & Islington College with a Diploma in Ophthalmic Dispensing in 2006 and has over 17 years of experience. She has worked with several leading high street opticians, dispensing eyewear, including prescription glasses and sunglasses. Wut has also assisted children with autism and special needs through the Special School Eyecare Service.
