I just checked mine and I DO NOT have this problem. I have a 2.6 GHz MacBook Pro Retina w/ 16 GB RAM and 512 GB SSD. Screen is a Samsung. There is a command line you can issue that will tell you whether your screen is an LG or a Samsung, you can search for it online. I heard it's LG screens that are suffering from ghosting. It was also LG screens that were at the heart of the iPad 2 backlight bleeding issues.