STEP 2
Now grab Dodge Tool from the tool panel or you can press Shift+O again and again until it comes. Set the exposure to 30% and set the range to Midtones.
Now Zoom in a lot. You can use Ctrl+(+)/Cmd+(+) to zoom in. Apply Dodge tool on her iris. You can take below image as your reference. Note that the area which is highlighted with red color is the are where you need to apply Dodge tool.
Your image should look like this.
Do the same with her left eyes also.