What’s the Difference Between Single Vision, Bifocal, and Progressive Lenses?

If you’ve been told you need glasses for both distance and reading, you may wonder: Should I get two pairs, bifocals, or progressives? Each lens type serves a specific purpose, and understanding the difference helps you choose the one that best fits your lifestyle.

Single Vision Lenses

Single vision lenses are the most common and simplest type of prescription lenses. They correct vision at one distance only, either for near tasks like reading and phone use, or for distance activities such as driving and watching TV.

They’re ideal for people under 40 or anyone with a stable prescription. Since they have only one focal point, single vision lenses are easy to adapt to and come in countless frame styles and materials.

Bifocal Lenses

Bifocals are designed for people who need help seeing both near and far. These lenses are split into two distinct sections

• The top portion for distance vision.
• The bottom portion for reading or close-up work.

You can recognize bifocals by their visible dividing line, which separates the two prescriptions. While bifocals are functional and effective, the abrupt shift between zones can sometimes feel unnatural. Many also find the visible line less discreet or less fashionable compared to modern options.

Progressive Lenses

Progressive lenses take multifocal vision correction to the next level. They provide a seamless transition from distance to near vision, with an intermediate range in between for tasks like computer work.

Unlike bifocals, progressives have no visible line as they look just like regular lenses. The gradual change in power allows your eyes to shift smoothly from one distance to another, offering a more natural visual experience.

However, progressives require precise measurements and proper fitting. When fitted incorrectly, they can cause discomfort, headaches, or dizziness.

Why Fit Matters Most

At Vision Express, precision fitting is never left to chance. This is where Shamir Spark™ 4W comes in. It is the most advanced digital measurement tool in the industry. This technology captures exact 3D measurements of your eyes and frame in seconds, ensuring your lenses align perfectly with your natural line of sight. The result? Clear, comfortable vision tailored to your everyday needs. Book your eye exam today.