Frequently asked questions: Contact lens care
Is it necessary to rub lenses when cleaning them?
I started wearing contact lenses and I use the ReNu MultiPlus 360 ml solution. I would like to ensure that it’s really possible to simply put the contact lenses Acuvue Oasys in a case overnight without any further cleaning (rubbing in hand).
Solutions nowadays allow a thorough cleaning even without rubbing but it depends on the level of debris on the contact lens. You will definitely not make a mistake if you rub the lenses. In any case, ReNu MultiPlus solution is a good choice.
Contamination of an open solution
I’ve been wearing contact lenses for three months and using the Renu MultiPlus no rub solution. I left the solution open for two days. Can I keep using it or do I have to buy a new one? I’m worried that my eyes could get infected, but on the other hand, it seems unlikely that a solution would get “contaminated” through a 2mm opening. Thank you.
The debris that can cause contamination in a solution can’t be seen with naked eyes. A solution should be open during contact lens care for one minute. Two days means 2880 minutes – I wouldn’t use the solution.
Non-prescription contact lens care
I have never worn contact lenses but now I’m thinking about it, as I would like to change the colour of my eyes. I wanted to ask how you should care for coloured contact lenses.
The care is the same as with prescription lenses. Your contactolgist will tell you how to handle them and how to take care of them during your check-up. You might also want to read the Contact lens guide.
Choosing contact lens solution
I wanted to ask if it’s necessary, or rather recommended, to use a solution by the same brand as contact lenses or can you buy any solution?
Choosing contact lens case
Today I received this solution with a new type of case (some sort of a cup with a holder that you put the lenses in). I’m worried that I will use my solution faster with this type of a case because it seems to be much bigger than standard cases. I wanted to ask what the volume of this new case is and if it’s not a problem if I buy the type of case I am used to (by a different brand).
This type of case has 9 ml volume, the previous flat one that came with SoloCare 360 ml was 2 × 5 ml. If you prefer the original type, you can go for any brand you want.
Can I please ask why a contact lens case shouldn’t get in touch with water?
Why can’t a case come intro contact with water? What if the water was boiled or if it was baby water, could I use it to rinse the case? And is it OK if I leave a solution in a closed case all day?
Water (boiled or for babies) isn’t pure H2O. It contains many components that shouldn't get in touch with contact lenses. The composition of solutions is water that is free from these unwanted substances, in other words, pure H2O. When you take lenses out of the case, pour away the old solution and fill it with new one.
New solution in contact lens case
How often do I have to change the solution in a contact lens case, it seems to me that it’s a waste when I change it every day?!!
Ideally you should change it every three days. If the solution gets dirty (e.g. mascara bits), it is of course necessary to replace it but otherwise every three days is ok.
Contact lenses and extremely cold temperatures
Can I wear contact lenses even in extremely low temperatures (-28 degrees)? Won’t they freeze? Or are there any other complications? Thank you for your answer
I’m sorry to say that contact lenses have to be kept at room temperature. Freezing temperatures can damage them. Also, the solution in the blister will freeze at temperatures below zero. When contact lenses are in the eyes they can keep body temperature, however, it is necessary to ensure suitable temperature during their transit.
Solution and temperature
Is it necessary to keep RENU solution in a fridge, or what is the recommended temperature?
Period of wear
I wear monthly contact lenses, what happens if I wear them for one extra day? Thank you.
It is not recommended to wear contact lenses for longer than the suggested period of wear.
How long before a lens dries out
How long does it take before a lens dries out? As I locked myself out of my house and my lenses were burning in my eyes (I’ve only just started using them), I went to a friend's house, took the lenses out and since I didn’t have the solution with me, I put them in a tissue. I only put the lenses in the solution after 45 minutes. Can I still use it or not? Thank you.
It is possible for the lens to dry out after 45 minutes. We don’t recommend using this lens again because some debris from the tissue could get into your eyes.
Lens and marker stain
I had a bit of an accident with my left lens. I had marker stains on my fingers and during application, the dye from it got on the lens and the case. I rinsed the lens and case about five times with a solution and there’s no more traces of the marker. Can I still wear the lens?
In this case we definitely don’t recommend using the lens again. There’s a risk of complications, such as infections, etc.
Solution and its use
Can use the same solution that goes in the case for rinsing and disinfecting lenses, or should I use a different one?
If you are using a standard multipurpose solution for soft contact lenses, you can also use it for rinsing and disinfecting the lenses. I recommend cleaning the lenses every day, after taking them out from the case, by rubbing them in your palm with a few drops of solution.
I usually use Syrengi solution by Cooper Vision. Recently I bought a new one by OptiFree pure moist. I opened a new blister and started using the new solution as well but I still have the same case. Does it matter that the case has a new solution in it now?
Can I wear contact lenses for a longer period?
I would like to ask – if I have quarterly, non-prescription crazy contact lenses and usually wear them once or twice a week and clean them and change the solution every three days, can I wear them for, let’s say, half a year and if not, for how long?
The lenses are quarterly – we recommend wearing them for three months. If you wear them for longer, we can’t guarantee the quality.
Solution that was opened for 9 hours
I left my CooperVision Synergi solution open overnight by mistake (for approx. 9 hours) and I don’t know if it’s safe to use. Thank you for your answer.
Debris that can contaminate a solution can’t usually be seen with the naked eye. It is generally not recommended to use a solution that was left open for a long period of time. Unfortunately, I can’t tell you if it’s still ok, or not to use your Contact lens solution.
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