One prescription, total clarity — the simplest and most popular lens type for distance or reading.
Single vision lenses have one prescription power across the entire lens surface. Unlike progressive or bifocal lenses, which split the lens into multiple zones, a single vision lens is dedicated entirely to one focal distance — either far or near.
This makes single vision the simplest, lightest, and most versatile lens type available. Because the full surface is used for one purpose, single vision lenses can be made thinner and lighter than any multifocal, and they work in virtually every frame style — from bold full-rim acetate frames to minimalist rimless designs.
Single vision lenses are the most commonly prescribed lens in the world. If you are under 40 and need glasses, there is a very good chance single vision is what you need. If you are over 40 and noticing that reading is getting harder, you may need to add a separate reading pair or upgrade to progressives.
Single vision lenses are the right choice if you need correction at one distance. Here is a quick guide:
Not sure whether you need single vision or progressives? Our opticians can advise after your free eye test.
Thinner, lighter, and more comfortable — especially for stronger prescriptions
Standard single vision lenses are made from CR-39 plastic (index 1.50) — lightweight, optically clear, and cost-effective. For stronger prescriptions, high-index materials reduce edge thickness and overall weight:
High-index lenses look better in your frames (less "bug-eye" or "Coke bottle" effect), weigh less, and are more comfortable for all-day wear. Our opticians will recommend the right index based on your prescription and frame choice.
Every single vision lens can be upgraded with:
Every pair of glasses is only as good as the prescription behind it. At Fantastic Glasses, your eye test is performed with the Essilor Vision-R 800 — the most advanced digital phoropter available. It measures in 0.01 diopter steps, five times finer than a traditional phoropter, which means your single vision lenses are built on the most precise prescription possible.
Your eye test is completely free with any eyewear purchase. No referral needed, no hidden fees. Eye tests are also free for children under 19 and adults 65+.
Single vision lenses have one prescription power across the entire lens surface. They correct vision at a single distance — either far (for driving, sports, and everyday use) or near (for reading, crafts, and close-up work). They are the most commonly prescribed lens type in the world.
Anyone with nearsightedness (myopia), farsightedness (hyperopia), or astigmatism who needs correction at one distance. Single vision lenses are most common for people under 40, though they are also used as dedicated reading glasses or distance glasses at any age. Children and teenagers almost always wear single vision lenses.
Single vision lenses correct vision at one distance only — either far or near. Progressive lenses correct vision at all distances (far, intermediate, and near) in one lens with no visible lines. If you are over 40 and need help with both distance and reading, progressive lenses are usually the better choice. Under 40, single vision is almost always sufficient.
High-index lenses use a denser material that bends light more efficiently, so the lens can be made thinner and lighter. Common indices are 1.56, 1.59, 1.60, 1.67, and 1.74. The higher the number, the thinner the lens. High-index is recommended for prescriptions above +/− 3.00 to reduce edge thickness and weight, and they look much better in your frames.
Yes. Blue light filtering can be added to any single vision lens as a coating or embedded in the lens material. It reduces digital eye strain from screens and may improve sleep quality. At Fantastic Glasses, blue light protection is available as an add-on to any single vision pair.
Three pairs of single vision glasses start at $199 with our 3-for-1 deal. That includes frames, lenses, and a free eye test with the Essilor R800. Add-ons like anti-reflective coatings, blue light filtering, and high-index materials are available at additional cost. We offer direct insurance billing so you can use your benefits with no paperwork.
If a child has been diagnosed with myopia, hyperopia, or astigmatism, single vision lenses are the standard correction. In Alberta, children under 19 receive a free annual eye test. If your child has progressive myopia, we also offer myopia control lenses designed to slow the progression of nearsightedness.
Fantastic Glasses is located at Unit 401, 235 Milligan Dr, Okotoks, AB — serving patients from Calgary, High River, Black Diamond, Turner Valley, De Winton, and surrounding communities in southern Alberta. South Calgary communities like Shawnessy, Cranston, and McKenzie Towne are just a 20-minute drive.
Walk-ins are welcome, but booking ahead guarantees your time slot. We carry thousands of frames and can have most single vision lenses ready the same week.
Book your free eye test and let our opticians match you with the perfect single vision lenses for your prescription and lifestyle. Call (587) 997-3937 or book online.