Corneal Thickness Response after Anesthetic Eye Drops: Our Own Results and Meta-Analysis

Figure 1

There are three different patterns after oxybuprocaine 0.4% eye drop instillation: Pattern 1, subjects with no significant changes in their CCT values 5 minutes after anesthesia; Pattern 2, subjects with significant CCT increases 5 minutes after anesthesia; and Pattern 3, subjects with significant CCT decreases 5 minutes after anesthesia.