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Red eye: Red-eye in photos is a common problem. ... A more powerful method is to use the advanced Red Eye Removal command, which lets you change the eye color. The Red Eye tool replaces the red color in the subject's pupil with a dark gray color, restoring a natural look.
Filter: An image filter is a technique through which size, colors, shading and other characteristics of an image are altered. An image filter is used to transform the image using different graphical editing techniques. Image filters are usually done through graphic design and editing software.
Using filters
Red eye effects
Using filters
Red eye removal
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