What happens to old glasses once you stop using them?

Most people have at least one old pair of glasses sitting in a drawer somewhere.

Usually wedged behind a phone charger from 2019 and a battery you are not sure still works.

An old prescription. A spare pair you stopped wearing. Frames that never felt quite right. Sunglasses with scratched lenses that seemed too expensive to throw away but too damaged to actually use.

They sit there because nobody really knows what to do with them. And if you are honest, you have probably not thought about it too hard either.

Why glasses are harder to recycle than people realise

A pair of glasses looks deceptively simple. It is not.

Frames can contain multiple plastics and metals blended together in ways that standard recycling systems simply were not built to separate. Lenses use optical coatings that household recycling cannot process. Contact lens packaging adds another layer of specialist plastic that is too small or too specific for your average kerbside collection.

So most of it ends up in landfill. Not because people do not care, but because there is no obvious alternative staring them in the face.

The problem builds quietly

Old eyewear is not like an empty tin of beans. Nobody notices it accumulating.

A new prescription here. A broken frame there. A box of daily lenses you switched away from two years ago. Each item feels too small to worry about, so it gets shuffled into a drawer or quietly dropped in the bin.

Multiply that across millions of patients and thousands of practices, and it becomes a significant amount of specialist waste that conventional recycling was never designed to handle.

What specialist eyewear recycling actually involves

This is not greenwashing with a leaflet in the waiting room.

Frames, lenses, spectacle cases, and contact lens plastics can be broken down and repurposed into durable composite materials built for long-term reuse. The point is not just to divert things from landfill, but to actually do something useful with materials that standard systems cannot touch.

It requires specialist processing. Which is exactly why most practices have never offered it before.

What to do with your old glasses

The simplest thing you can do is drop them into Iology. Old glasses, contact lens packaging, spectacle cases — bring them in and we'll make sure they're recycled through systems built specifically for the job.

This is possible because Iology is now part of the Net Zero Eye Care initiative, which gives independent practices the infrastructure to handle specialist optical waste properly. In practical terms, that means we can now take:

• Old glasses
• Spectacle cases
• Contact lens plastics and packaging
• Safety eyewear
• Other optical plastics