Chosen Solution

what is problem

This is a ghosting issue which is caused by either the T-CON logic within the display assembly has a problem or the graphics engine. I would connect an external display to see if the problem what present on it, if not they you know the display is the issue and will need replacing MacBook Pro 13" Retina (Late 2013-Mid 2014) Display Assembly and here’s the guide MacBook Pro 13" Retina Display Mid 2014 Display Assembly Replacement