DODGE: LIghtens the a specific spot in the image
BURN: Burning makes that part of the image darker
OPEN YOUR IMAGE IN PS
go to LAYER > DUPLICATE LAYER!!!
Then do the steps below!!
For tutorial X, we will officially visit the hack on making eyes pop!
Remember, dodging and burning are practices that evolved from traditional darkroom processes, in which the artist would use items or his/her hands, to control the amount of light that would reach the light-sensitive paper.
Watch these OPTIONAL videos if you want to see the darkroom process in action:
YouTube Video
Then, visit this tutorial to see how to make eyes pop using dodging and burning: