Ice I would sudgest you simplyfy the matter by looking for a monitor that does not have the AGM Syndrome, RELISYS FOR EXAMPLE. If it was on your TV Screen you would dump it. I appreciate what has hereto been said previously.
Perfectly normal and part of the design. (It's most noticable when the background is very light, but you train yourself to ignore it over time)
I am still of the opinion that you should obtain another one.What you see is what you get
Let your eyes adjust to the fact that they are always there and let them fade from your awareness....
"errare humanum est"