This prevents the medication from entering the tear duct and draining away. Your vision may be blurred for several minutes. Repeat with the other eye if needed. It takes five minutes for most of an eye drop to be absorbed into the eye. Wait at least five minutes before instilling a second drop or between applying other eye medications.
Some people have difficulty knowing if they properly instilled eye drops.
To help feel the drops as they contact the eye, try refrigerating them. Therefore, use these medicines only as your ophthalmologist prescribes. If you have a red, painful eye after using these drops, call your eye doctor right away. Repeated use of anesthetic eye drops can cause severe damage to the cornea. Sometimes anesthetic eye drops are mistakenly prescribed after eye trauma, but they should never be used for this purpose.