Diy contact lens solution

Written by joe faulkner-edwards
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Diy contact lens solution
Forgot your contact solution? Don't worry; make your own simple saline. (contact lens case image by Sandra Henderson from

Contact lens solution can be expensive, especially considering the solution we use to store and clean our lenses everyday is essentially just salt and water. It is important to select high quality, sterile ingredients when making your own contact lens solution. Experts recommended not using homemade solution for prolonged periods to reduce your risk of dryness or infection.

Skill level:

Things you need

  • Distilled (or deionised or demineralised) water
  • Cooking salt
  • Sterile container

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  1. 1

    Buy some distilled water. Distilled water is generally used for steam irons and topping up car batteries, so you'll likely find it in the laundry section of your supermarket, a hardware store or auto centre. Distilled water is sterile and many brands even state on the packaging they are suitable for contact lens solution.

  2. 2

    Buy some salt. Ideally, sodium chloride used for pharmaceuticals should be used -- try asking in a pharmacy. Otherwise, simple cooking salt is the next best thing.

  3. 3

    Mix your saline solution. Using a sterile container, add 9 grams of salt to 1 litre of water to make normal saline solution. Mix thoroughly.

    This solution is suitable for cleaning and on occasions, storing your contact lenses.

Tips and warnings

  • If you notice any abnormalities with your eyes, or suffer any discomfort, seek advice from your optician or physician immediately.
  • If you are susceptible to dry eyes, do not use homemade saline solutions.

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