Clean your storage case daily, rinse out your storage case with warm to hot water (including the lids) after you insert your lenses. Even with good care, you should replace your storage case every three (3) months. Most eye infections come from a dirty/old storage case.
Dry Eye Specialist
7 Sins of Contact Lens Wearers
You don't completely replace yesterday's contact solution. Instead, you leave the old liquid in the little bowls and top it off with a squirt of fresh solution. You're not alone in this offense. Of the 1,000 contact wearers polled for a recent study conducted by Wakefield Research for Alcon, 96 percent admitted to frequently reusing or topping off old solution.