Understanding Different Lens Types: Single Vision, Bifocal, and Progressive
Learn about the different lens types available and which one might be right for your vision needs.
Single Vision Lenses
Single vision lenses have the same power throughout the entire lens. They are used to correct nearsightedness, farsightedness, or astigmatism. These are the most common type of lenses and are suitable for people who need correction for only one visual distance.
Bifocal Lenses
Bifocal lenses contain two different prescriptions in one lens, typically with a line dividing the two areas. The upper portion is used for distance vision, while the lower portion is for near vision (reading). Bifocals are typically recommended for people over 40 who have presbyopia.
Progressive Lenses
Progressive lenses (sometimes called "no-line bifocals") provide correction for near, intermediate, and far distances without visible lines on the lens. They provide a more gradual transition between different prescriptions, which many find more aesthetically pleasing than traditional bifocals.
Which Type Is Right For You?
The right type of lens depends on your specific vision needs and lifestyle:
- Single Vision: Ideal for those who only need correction for one distance (near or far)
- Bifocal: Good for those who need correction for both near and far vision and don't mind the visible line
- Progressive: Perfect for those who need multifocal correction but want a more natural appearance
During your eye exam, your optometrist will help determine which lens type is best suited for your vision needs and lifestyle.
Related FAQs
What are the different types of prescription lenses available?
We offer several types of prescription lenses to suit different vision needs: single vision lenses (for one visual distance), bifocal lenses (with two distinct viewing areas for near and far vision), and progressive lenses (multifocal lenses without visible lines, providing smooth transition between different visual distances). The right type depends on your specific prescription and lifestyle needs.
What's the difference between progressive and bifocal lenses?
Bifocal lenses have two distinct areas with a visible line separating them - typically the upper portion for distance viewing and the lower portion for near vision. Progressive lenses provide correction for near, intermediate, and distance vision without visible lines, offering a more gradual transition between the different prescriptions. Progressive lenses typically look more aesthetically pleasing but may require an adjustment period.
Related Resources
Understanding Lens Index: Choosing the Right Thickness for Your Prescription
Learn about different lens indexes and how to choose the right one based on your prescription strength.
Read ArticleChoosing the Right Lenses: A Comprehensive Guide
Explore different lens types, materials, and coatings to find the perfect lens solution for your vision needs.
Read Article