The good news is that you don't need advanced photo editing software to correct this flaw; you can easily fix the red-eye ...

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.

Researchers Brian Dolhansky and Cristian Canton Ferrer note in their paper for Facebook that "face retouching algorithms" like red-eye removal and virtual makeup have become very popular.