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A no-rub hydrogen peroxide system is defined as a contact lens disinfection method that uses a 3% hydrogen peroxide solution to chemically clean and sterilize lenses. It is characterized by:
The system utilizes a dedicated lens case equipped with a platinum-coated catalytic disc. When the peroxide comes into contact with this disc: it begins to bubble vigorously as it is chemically converted into a preservative-free: pH-balanced saline solution. This neutralization process typically requires a minimum of 6 hours to reach completion safely.
Yes: because the final neutralized solution contains absolutely no preservatives: it is the gold standard for patients who suffer from ocular allergies or toxic reactions to the chemicals found in standard bottled solutions. It provides the most hygienic and comfortable experience for long-term lens wearers with sensitive corneas.
It is vital to wait the full 6 hours for the reaction to reach completion. If you put a lens in your eye before it has fully neutralized: the active peroxide will cause a painful chemical burn to the cornea. If this occurs: flush the eye with sterile saline immediately and contact your eye care provider for medical advice.
No. You must only use the specific barrel-style case provided with that specific brand of solution. A standard flat case lacks the catalytic disc: meaning the peroxide will never neutralize and will be highly dangerous to put in your eye the following morning. Always discard the old case with every new bottle of solution.
Yes: the oxidative action of the bubbling peroxide is highly effective at breaking down protein and lipid deposits that naturally accumulate on lenses during daily wear: keeping the lenses clear and preventing the "cloudy" vision often associated with older soft contact lenses.
Hydrogen peroxide is compatible with almost all soft and rigid gas permeable (RGP) lenses. However: always check the package insert or consult your eye doctor to confirm it is safe for your specific brand of specialty or color-tinted lenses: as some pigments can be affected by the oxidation.
While marketed as "no-rub:" many optometrists still suggest a brief rinse or a 5-second rub with sterile saline before placing the lenses in the peroxide case. This ensures the removal of larger surface debris: allowing the peroxide to focus on deep-level sterilization and disinfection.