How to Fix Red Eye in Photoshop

Red-eye occurs in portrait photography when a camera's flash reflects off the blood vessels in the subject's retina. This guide outlines the fastest and most effective methods to correct red-eye using Adobe Photoshop, focusing primarily on the dedicated Red Eye Tool and providing an alternative manual technique for challenging images where automated tools fail.

Method 1: Using the Red Eye Tool

The Red Eye Tool is an automated feature built specifically to detect and neutralize red pixels in pupils without altering the surrounding eye.

  1. Open the Image: Load your portrait into Adobe Photoshop.
  2. Duplicate the Background Layer: Press Ctrl + J (Windows) or Cmd + J (Mac) to duplicate your background layer. This ensures you are working non-destructively.
  3. Select the Red Eye Tool: In the Tools panel, click and hold the Spot Healing Brush Tool (shortcut: J) to reveal the hidden tools, then select the Red Eye Tool at the bottom of the flyout menu.
  4. Adjust Options: In the top options bar, you will see two settings:
    • Pupil Size: Controls the size of the area being corrected. A default of 50% works for most photos.
    • Darken Amount: Controls how dark the corrected pupil will appear. Set this to 50% initially.
  5. Apply the Correction: Click directly on the red portion of the pupil. Alternatively, click and drag a small selection box around the entire eye. Photoshop will automatically identify the red tones, replace them with neutral dark gray or black, and preserve the natural catchlight (white reflection).
  6. Repeat for the Other Eye: Apply the same step to the subject's second eye.

Method 2: Manual Correction with an Adjustment Layer

If the Red Eye Tool produces an unnatural look or fails to detect the red tones, a manual adjustment layer gives you full control.

  1. Create an Adjustment Layer: Go to the Layers panel, click the New Adjustment Layer icon at the bottom, and select Hue/Saturation.
  2. Target the Red Channel: In the Properties panel, change the dropdown menu from Master to Reds.
  3. Desaturate and Darken: Drag the Saturation slider down to -100 and reduce the Lightness slider until the red tone matches the natural dark shade of a pupil.
  4. Invert the Layer Mask: Select the layer mask attached to the Hue/Saturation layer and press Ctrl + I (Windows) or Cmd + I (Mac) to invert it to black, hiding the effect.
  5. Paint the Pupil: Select a soft-edged Brush Tool (B), set the foreground color to white, and carefully paint over the red area of the pupil to reveal the correction.

Tips for Natural Results

  • Preserve Catchlights: Always ensure the white glint of light in the eye remains visible. A completely black pupil without a reflection looks flat and artificial.
  • Lower Layer Opacity: If the correction looks too harsh or intensely black, reduce the opacity of the corrected layer to blend a small amount of the original tone back in for a softer, more realistic finish.