Redeye is caused by the camera’s flash and is often difficult to avoid. Some photographers, and I count myself in that group, would prefer to have to deal with redeye if that means we get good photos. Often the redeye reduction feature on a camera signals to your subject that the image has been taken before it has – they relax and start moving and you get unwanted movement in the shot. When there is a balance to be struck between redeye and movement – I’ll take redeye everytime.
If your photograph has a subject with redeye you can fix it using the redeye tool in Photoshop Elements.
Click the Zoom Tool and click and drag over the eyes in the image to make them large enough that you see them clearly.
Click the Redeye removal tool and click on the red part of the eye. If necessary, adjust the Darken amount and the Pupil Size on the toolbar to get a good result. Fix each eye and then save the image.