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Why you should not flush your contact lens down the toilet or sink

How many people wear contact lenses?
What are contact lenses made of?
What happens when you throw your contact lenses in the sink or toilet?
Microplastics danger
What about biodegradable contact lenses?
Practical tips to avoid throwing your contact lenses down the sink or toilet
Where to throw away your contact lenses?

Let's not just focus on the lens itself, but also consider everything that is part of the package. Recycling contact lenses is important, and as you will see, it only takes a few simple steps to respect the environment.

  • Contact lenses: recycling contact lenses is very simple, because they are thrown into the unsorted.
  • Contact lens blister: The lens blister consists of a plastic part and an aluminium tab. Then, separate these two components and throw them into the plastic and aluminium respectively.
  • Maintenance liquid: the liquid contained inside the blister can be safely poured into the sink.
  • Paper packaging: the packaging of your lenses, together with the Vision Direct packaging containing your order, is thrown into the paper and cardboard bin.
  • Lens holder and empty bottle of contact lens solution: Both are made of plastic, so they must be thrown into the appropriate container.


Remember, these are just general guidelines. Each city or municipality may have different rules for the separation of waste, so it is always best to check the area where you live.

Vision Direct’s recycling service
Let’s summarise

Do you still have doubts about where to throw your contact lenses? Here is a summary to help you make the right choices and safeguard our planet!

  • Contact lenses are not biodegradable. For this reason, lenses should be disposed of carefully.
  • Contact lenses break down into particles that are not filtered and therefore end up in our seas, increasing water pollution.
  • Contact lenses should never be thrown into the household waste, but thrown into the unsorted.
  • Choosing to replace contact lenses with glasses does not mean making a greener choice. All it takes is a little more attention.
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