How long in between eye drops for glaucoma should you wait before applying another different eye drop?

• A. 5 minutes in between admin of different eye drops
• B. 30 minutes between drops
• C. 1 hour between drops
• D. No waiting time needed between drops

Answer: (A)

When you need to use more than one eye drop, give each drop a moment to stay in the eye and be absorbed before applying the next. About 5 minutes between different eye drops is recommended. This pause helps prevent the second drop from washing away the first, ensures better absorption of each medication, and minimizes systemic absorption. Waiting longer like 30 minutes or an hour isn’t necessary and makes the regimen harder to follow, while no waiting time can reduce efficacy because the drops can dilute or remove one another. If you’re using ointment as well, apply drops first and then the ointment, but the standard interval between different eye drops remains around 5 minutes.