Open an image in Single Photo View, then click the edit icon to open the Edit Panel.
Zoom in on the subject's eyes by double-clicking on the image or using the Z keyboard shortcut.
Click the eye icon at the top of the Edit Panel.
Position the center circle over the pupil and click to add Red Eye Removal.
Adjust the results using the Sensitivity and Radius sliders at the bottom of the screen.
Repeat steps 4-5 on any remaining red eyes in the image.
Learn More: https://manual.mylio.com/topic/red-eye-removal