Frequent Use of Eye Drops

Some manufacturers claim that their eye drops can be used as often as you like. If you are using lubricating eye drops more than once every four hours, this is a sign that the drops alone are not alleviating or treating your symptoms. Other co-morbidities, in addition to aqueous deficient Dry Eye, may be present.

If you are using them more than 4-6 times per day, even preservative-free lubricating drops are not completely safe to use as often as you like,