Change Eye Color
Let me know if this tutorial helped you.
Duplicate the layer. Zoom in where you can see the eye colour fully. Now using the ploygonal tool cut around. Once you've cut around one eye you'll need to keep your finger on the 'shift' button on your keyboard while you cut around the other eye. Once you've cut around them both you'll want to go to select > inverse. Then click 'delete'. Now use your brush tool/or paint and fill the area with any colour. Here we're using a dark purple. Once that is done change the layer effect, like below:
Now you should have something like this: