How Often Should I Lubricate My Eyes?
Understand the main points of How Often Should I Lubricate My Eyes supported by expert analysis.
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.