There are a few things you can do to enhance eyes in Photoshop. The first is to increase the contrast.
You can do this by going to Image > Adjustments > Brightness/Contrast. Alternatively, you can use the Levels tool (Image > Adjustments > Levels).
Another way to enhance eyes is to increase the saturation. You can do this by going to Image > Adjustments > Hue/Saturation. Alternatively, you can use the Vibrance tool (Image > Adjustments > Vibrance).
You can also try using the Dodge and Burn tools to lighten and darken specific areas of the image. This can be helpful for creating more depth and dimension in the eyes.
Finally, you can use the Clone Stamp tool or the Healing Brush tool to remove any imperfections around the eyes.
Conclusion:
There are a few different ways you can enhance eyes in Photoshop. You can increase the contrast, saturation, or use the Dodge and Burn tools to create more depth and dimension. You can also use the Clone Stamp tool or Healing Brush tool to remove any imperfections around the eyes.