Always wash and rinse your hands before you handle your lenses. To clean, disinfect and remove protein from your soft contact lenses: - Thoroughly rinse each side of the lens (5 seconds) with Opti-Free Replenish MPDS. - Fill your Alcon Lens Care with fresh Opti-Free Replenish MPDS. Store lenses in the closed lens case overnight or at least 6 hours.<br>After soaking, lenses are ready to wear. If any debris remains on contact lenses, rinse with Opti-Free Replenish MPDS prior to insertion. You may leave your lenses in the closed lens case containing Opti-Free Replenish MPDS for up to 30 days. After this time, your lenses must be cleaned and disinfected with Opti-Free Replenish MPDS every 30 days and prior to wear.