Can you put new lenses in your old frames?

You have a frame you actually like. It fits, it suits your face, and you have stopped noticing you are wearing it, which is the highest compliment a frame can earn. Then your grade changes, or a lens picks up a scratch you cannot ignore.

The question is reasonable: keep the frame, change the lenses. In the trade this is called reglazing, and the honest answer is that it is often possible, sometimes inadvisable, and occasionally impossible. Which of those applies depends on the frame in your hand.

When reglazing works well

Good candidates share a few traits:

• The frame is structurally sound. No cracks in the rim, no stress marks around the lens groove, hinges still firm, temples not bent out of alignment.
• It is a full-rim frame. Acetate and full-rim metal frames hold a new lens securely because the rim carries the load.
• The frame is not brittle with age. Acetate dries out over years, particularly in heat. Old acetate can crack the moment it is warmed for lens insertion.
• The new prescription suits the shape. A frame that worked for a mild prescription may not work for a stronger one.

If those boxes are ticked, keeping a frame you love is a sensible decision, and we will do it.

When we will tell you not to

Being direct about this is more useful than taking the order:

Rimless and semi-rimless frames. On rimless designs the lens is drilled and bolted; on semi-rimless it is held by a nylon cord in a groove. Both put stress on the lens edge and both are harder to fit a second time. Old drill holes cannot be reused if the new lens shape differs, and repeatedly working a frame's mounting points weakens them. Reglazing these is possible but carries real risk of breaking the frame, and that risk sits with the frame's owner.

Frames that have already been reglazed twice. Every insertion warms and flexes the material. There is a limit.

A big jump in prescription strength. Stronger prescriptions mean thicker lenses. A deep, large frame magnifies that thickness at the edges, and a rim that comfortably held a thin lens may not close around a thick one. If your grade has increased significantly, a smaller, rounder frame will produce a better-looking and lighter result than forcing lenses into the old one.

Progressives in a shallow frame. A progressive lens needs vertical height to fit distance, intermediate and near zones. Very shallow, wide frames cut into that. If you are moving into progressives for the first time, the frame choice is part of the prescription decision, not separate from it.

The frame no longer fits you. Faces change. So do frames that have been sat on. If the fit is off, new lenses in it will sit in the wrong place relative to your pupils, and precise lenses in the wrong position do not perform.

The measurement nobody thinks about

Lenses are not just ground to a prescription, they are positioned. Where your pupil sits within the lens, how far the lens sits from your eye, and the tilt of the frame all affect how the prescription performs. This matters more as prescriptions get stronger, and it matters a great deal for progressives.

That is why a frame needs to be measured on your face before lenses are ordered, not measured on a bench. Bringing in an old frame is fine. Having it fitted and measured while you are wearing it is the part that cannot be skipped.

The practical route

Bring the frame in. The store team will check the material and structure, tell you honestly whether it will survive the process, and take the measurements on your face. If the frame is a poor candidate, they will say so before anything is committed.

Two things worth knowing. A frame that is not sold by us can still be assessed, but we cannot warrant a frame we did not supply against breakage during fitting. And if the frame turns out to be too fragile, our free lifetime custom fitting and adjustment service still applies to any pair you buy from us, so you are not stuck.

Book a Vision7 eye test at your nearest Vision Express store

Before you commit to new lenses, get the prescription right. Our seven-step comprehensive eye exam refines your grade objectively and subjectively and includes a visual health exam, so you are not paying to make lenses to a number that is already out of date.

If you want the fastest turnaround on a straightforward single vision replacement, ask for Opulens Advanced 1.60 at the counter. It is in stock, ready in 20 minutes, and it is thinner and lighter than a basic lens at the same prescription, which is the difference you feel when lenses go back into a frame you already know the weight of.

If your prescription includes astigmatism or has changed noticeably, Shamir Opulens Exact is the step up. It is made to your measurements, so the cylinder and axis are cut precisely rather than approximated.

Every pair comes with free lifetime ultrasonic cleaning, free lifetime custom fitting and adjustment, and a 1-year warranty.