Impact of Different Oxygen Supply Methods on the Healing of Corneal Epithelial Wound and the Level of Acetylcholine

Figure 1

The fluorescence staining of corneal epithelium in each group at different time points shows that in groups A, B, and C, the area of fluorescence staining on the cornea was the same at 0 h, when the experiment was initiated, but at 12 h and 24 h after intervention, the area of fluorescence staining in group A was significantly smaller than that of group B and group C. At 36 h, filamentous fluorescence staining was only seen in the center of the cornea, and the surrounding cornea tissue was transparent. At 48 h, no corneal fluorescence staining was found, indicating that the corneal epithelium was completely healed. In group B, the area of corneal fluorescence staining was larger than that of group A but smaller than that of group C at all time points except at 0 h. In group C, the area of fluorescent staining was the largest among all three groups at all time points. After 72 h of intervention, filamentous fluorescence staining still could be seen, indicating that corneal epithelium was rough and not completely healed.