Progressive No-Line Bifocals

Progressive no-line bifocal lenses were developed primarily for aesthetic reasons, offering a visually appealing alternative to the traditional lined bifocal lenses. Unlike standard lenses, progressive lenses are technologically advanced, designed to cater to different visual needs seamlessly.

Functionality and Design

Glasses with progressive no-line bifocal lenses are a contemporary innovation that differs significantly from traditional bifocals. These lenses lack the visible demarcation line found in older bifocal designs, providing a seamless transition between different focal areas.

This design caters to the three primary vision ranges: near vision (for reading or close-up work), intermediate vision (for objects at arm’s length), and distance vision (for objects farther away). Progressive lenses are unique in their ability to address all three vision ranges in one lens, which is a capability not commonly found in other prescription lenses.

In progressive no-line bifocals, the lens regions mirror those found in traditional lined bifocals, but with a distinct difference in the edges of the lens, often referred to as ’dead spots’. The upper region of these lenses is designed for distance vision, while the lower portion is tailored for intermediate and near vision tasks.

Many users prefer progressive no-line bifocal lenses over traditional lined bifocals due to aesthetic and functional reasons.


The absence of a visible line makes these lenses more visually appealing and less distracting, ensuring a seamless and natural look that enhances the overall comfort and satisfaction of the wearer.


They are also considered to be more comfortable for the eyes, providing a smooth transition between different focal lengths for a more relaxed and enjoyable visual experience.


Additionally, progressive lenses offer the practical benefit of eliminating the need for multiple pairs of glasses, as they combine different prescriptions into one lens.

Multifocal Vision

As the population ages, the prevalence of presbyopia – a natural decline in the eye’s ability to focus on close objects – is on the rise, prompting a significant shift in vision correction technologies. Progressive lenses have emerged as a leading solution to this challenge. These lenses are designed to provide a more gradual transition between different focal lengths, catering to the varying visual needs that come with age.

Unlike bifocals and trifocals, progressives allow for a natural and unobstructed view in various situations. Whether looking across the room, down the street, at a computer, or engaging in a conversation across the dinner table, these lenses offer clear vision at all distances. Reading fine print is also comfortable when directing your gaze downward through the bottom of the lens.

A vertical corridor runs down the middle of the progressive lens, and precise measurements ensure its optimal placement, allowing users to access all powers comfortably.

Moreover, progressives address the issue of “image jump”, commonly experienced with bifocals and trifocals. The abrupt power changes in these lenses can cause images to appear to jump when transitioning between distances. Progressives, on the other hand, provide a smooth and comfortable shift from distance to near vision.


Progressive lenses are often recommended for individuals who suffer from nearsightedness, farsightedness, and/or astigmatism. They provide a versatile solution that caters to a wide range of visual impairments.

Despite their benefits, progressive no-line bifocals also come with certain drawbacks. Firstly, they can be more expensive than other types of lenses. Some users, particularly those accustomed to lined bifocals, may find it challenging to adapt to the progressive design.

These lenses might affect peripheral vision at the lens’s edge, potentially causing disorientation or nausea in some individuals. While most people adjust to these distortions quickly, those with more sensitive peripheral vision may face more significant challenges. In such cases, lined bifocals might be a more suitable option.

In summary, progressive no-line bifocals offer a modern, aesthetically pleasing solution to various visual needs, combining functionality with style. However, the choice of lens type should be carefully considered, keeping in mind personal preferences, visual requirements, and potential adaptation challenges.

comparison with Other Multifocal Lens Options



of Vision

Visual Transition


Cosmetic Appearance

Lined trifocal

Segmented into three distinct zones for near, intermediate, and distant vision.

Clear vision at close, mid-range, and far distances.

Noticeable yet smooth transitions between each vision zone.

People requiring precise vision at multiple distances without adapting to progressive lenses.

Visible lines on the lens.

Lined Bifocal FT-28

Single segment at the bottom, typically 28mm wide.

Clear vision primarily for near tasks below eye level.

Sharp transition between near and far vision.

People needing clear near vision, less for distance.

Visible lines on the lens.

Progressive Bifocal

Gradient increase in power without visible lines.

Smooth transition across different vision ranges.

Gradual, seamless transition without image jump.

People desiring seamless vision without lens lines.

No visible lines, more cosmetically appealing.

HOW TO ORDER progressive no-line bifocals



RX Safety offers a wide range of glasses frames that will match perfectly with your progressive no-line bifocal lenses. Choose your favorite one.

After choosing the perfect frame, click in ‘select prescription lenses’


select prescription

Inside our prescription form, you can select your prescription type. This is where you select Progressive Bifocal.

Make sure to select ‘progressive bifocal’ as your prescription type



Select your preferred lens material, lens tint, and choose extra coatings to upgrade your progressive no-line bifocal lenses. We also offer special coatings such as anti-scratch, anti-fog, and anti-reflective coating (AR) to improve the overall performance of the glasses.

select your preferred lens material, tint, and coatings to upgrade your progressive no-line bifocals


add your prescription

It is time to upload or fill your prescription information. Then you’re done! The rest is with us. We will work on your glasses with progressive no-line bifocal lenses and deliver them to your address.

add your prescription information

If you need help, our customer service will be happy to assist you. Just give us a call at 888-245-6638 or chat using the button on the lower right corner.

no-line bifocals

Order prescription glasses featuring progressive no-line bifocal lenses.


Upgrade your glasses by replacing their lenses with your chosen coatings.

Measuring the Segment Height
for Progressive No Line Bifocals


progressive no-line bifocal lenses

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