The aim of this filter is - guess what - to remove red eyes from an image. Before applying the “Red Eye Removal” you must do a selection (lasso or elliptical) of the boundary of the iris of the eye(s) having a red pupil. After only you can apply the filter on this selection. If you don't make this selection, the filter inform you that : “Manually selecting the eyes may improve the results”.
| ![[Bilješka]](images/note.png)  | Bilješka | 
|---|---|
| These options are described in Odjeljak 2, “Common Features”. | 
If you move the cursor of threshold the amount of red color to eliminate will vary.