How to fix red eye in any photo using an iPhone's built-in editing tool

In general, newer iPhone cameras are advanced enough that they rarely cause red eye effects, even in incredibly low light. Just now, I snapped eight or nine pictures of myself in a dark closet, trying to capture an image with red eye, and my iPhone 8 Plus captured crisp, red eye-free pictures every time.

To avoid red eye in the first place, try to avoid using your camera's flash when you're taking pictures of people's faces, and don't look directly at the camera. 

But just in case you're dealing with red eye images on an iPhone, there is a way to fix them, using the iPhone's built-in red eye correction tool. 

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How to fix red eye in photos on an iPhone

1. Open the photo with the red eye issue in your Photos app and tap "Edit" at the top right corner.

2. Tap the icon of the eye with a slash through it in the top-left corner. If you don't see that icon, your iPhone doesn't have the red eye correction tool.

3. Tap each red eye you want to fix. Make sure to be precise, as your phone might recognize something you tap accidentally as red eye and try to fix it — say, a red button on your shirt.

4. Hit "Done" in the bottom right corner once you've fixed all the red eyes.

And that's it, red eye fixed!