
Remove red-eye from photos on Mac
Taking a picture using a flash can result in red pupils in a person’s eyes. You can remove the appearance of red-eye in a photo. If you remove red-eye from a Live Photo, you can still play it.
Note: You can’t remove red-eye from a video using the red-eye tool. See Change and enhance a video.
- Go to the Photos app  on your Mac. on your Mac.
- Double-click a photo, then click Edit in the toolbar. 
- Click Adjust in the toolbar, then click Red-Eye. 
- Click Auto. - Photos removes any red-eye that it detects in faces in the photo. 
- If red-eye still appears, drag the Size slider until the circle is the same size as the red area in the person’s eyes. 
- Hold the pointer over the red pupil and click. - Repeat this step for all other red eyes in the photo. 
Note: The red-eye tool doesn’t work on animal eyes that show the flash in a different colour (green or yellow).