How to change eye color using Adobe Photoshop
Choose Layer > New > Layer via Copy to create a layer from copied data.
Click on the Lasso Tool in the toolbar to make freehand selections.
Draw a lasso selection around eye iris. Hold down Shift key and draw to add second lasso select eye iris.
Choose Image > Adjustments > Color Balance to change the overall mixture of eye colors in the image for generalized color correction.
•Select Midtone Levels.
• Set the Cyan/Red, Magenta/Green, Yellow/Blue sliders accordingly to your desired color.
Click OK to apply the changes.
Choose Select > Deselect to deselect an active selection.
Click on the Dodge Tool in the toolbar and lighten thin area around both eye pupils.
Merge and Save.