What Is the Difference Between Systane and Artificial Tears?
Wondering about What Is the Difference Between Systane and Artificial Tears? Discover key insights in this breakdown.
In general, for most artificial tears, you do not want to use them more than 4 times a day. The reason is because most types of artificial tears contain preservatives. The current literature suggests that if you use them more than 4 times per day, you can actually “overload” your eyes with preservative.