Tel: (800) 622-0777 | Email: lenses@LifestyleCompany.com


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  • Many FAQ’s we've received, please read below. Contact us if you have additional questions.

    What is Purilens Plus Saline and why have I never heard of it? And why is it so hard to get?
    Purilens Plus Saline is buffered saline (just like Unisol 4). Purilens Plus Saline is not sold drugstores, so it was not generally well known until being "discovered" after Unisol 4 was discontinued, and again after Simply Saline products were also discontinued. Purilens Plus Saline is now,the only buffered saline of this kind on the US market.

    What size bottle does PuriLens Plus come in? Is it TSA compliant?
    Purilens Plus Saline comes in 4oz bottles, like Unisol 4. It is TSA compliant and comes with a TSA information card.

    Where is Purilens made? How long has it been around?
    Purilens is made by the LifeStyle Company Inc. / PuriLens. We are a New Jersey company who has been doing this for more than 15 years. Like almost all products of this kind it's made for us by a contract manufacturer at an FDA approved manufacturing facility. FDA standards for preservative free sterile saline packaging are extremely high.

    I have extremely sensitive eyes. What are the ingredients in Purilens?
    Purified water, sodium chloride (salt), and boric acid and sodium borate (used as buffers to balance the pH for comfortable use in the eye). These are the exact same ingredients that were in the now discontinued Unisol 4 and Simple Saline Contact lens solution.

    What are buffers for? Why would I want buffered vs unbuffered saline?
    Buffers are there to balance the pH. Balanced pH makes it more comfortable on the eyes. I know it's counterintuitive to hear that more ingredients could make it better for your eyes, but in this case it's true. Saline (salt water) without buffers (e.g. LacriPure, Addipaks, Modudose, anything else that says sodium chloride 0.9% for respiratory therapy, etc) tends to be somewhat more acidic than saline with buffers. Many people tolerate both equally, but many people with sensitive or dry eyes do not tolerate unbuffered saline well.

    Do I open the Purilens Plus bottle the same way as Unisol?
    Pretty much, but first remove the white ring, and the puncture mechanism is slightly different. We suggest not screwing the top in too tightly or you may end up with a larger hole than you want.

    Why isn't my eye doctor familiar with Purilens Plus Saline?
    That's to be expected, since Purilens Plus Saline has not been available in drugstores.
    If you have questions, please call us at 800-622-0777.

    Unisol 4 was good for 30 days. Why is Purilens Plus Saline only good for 15 days? Can I keep it open longer if I refrigerate it?
    It's not a question of how long it is "good" for. From the moment you open a sterile preservative free bottle, there is risk of contamination. The FDA requires a time limit to be printed on the bottles of preservative free saline, but the manufacturer gets to decide what specific limit they choose to put on it. Purilens elects a conservative 15 days because the doctors we are supplying prefer a shorter limit than 30 days. (Furthermore, our original customer base – soft contact lens wearers who use the saline in disinfection units - normally go through two bottles a month, so there would be no reason for them to keep it longer.) Your lens provider is the best person to advise on how long you should use a bottle of preservative free saline before discarding it. Many PROSE providers, for example, advise their patients to stop using Unisol 4 in their lenses just 2 days after opening. Many doctors providing scleral lenses recommend 0.9% sodium chloride vials because they are used up within a day, further reducing contamination risks.


    For more information, or to order, please contact us toll-free at:

    The LifeStyle Company, Inc.
    6 Paragon Way, Suite 112
    Freehold, NJ 07728
    (800) 622-0777 
    (732) 462-2351 (fax)

    Email: LENSES@LifeStyleCompany.com