Contact Lens Solutions?!
Question: Contact Lens Solutions?
1) Is it okay to use 3 different brands interchangeably (i.e. I have Opti-Free, equate and ReNu) , or is that not advisable for some reason and messes up the contacts somehow if they are exposed to isotonic solutions that are slightly different?
2) All three solutions are within their expiration dates, however, I have had them opened and not used them for at least 6-8 months. They have been stored at room temperature in a dark place. Can I still use them, or is it not advisable to use them if they have been sitting out after being opened for that long in the medicine cabinet?
Thanks!
Answers:
Best Answer - Chosen by Voters
Being as the bottles were opened, they will have lost their effectiveness by now.
An open bottle is normally used within 2 months.
The expiration dates apply to closed and never opened bottles...
I wouldn't chance it....
Optician
If you have opened the lid, I would not use them. Bacteria could be growing in the solution and give you a red eye. Also, stay away from store brands like equate because you don't know what solution you are using. The manufacture of equate buys up brands from all companies. Just buy some new solution and it does not matter if you switch from one solution to another. You could be allergic to a solution so it might be difficult to know which one if you are always switching.
4th year optometry student, 7 months til graduation!!