Possible monitor burn-in ?

Hi, been using my Samsung SyncMaster 2493HM for about 2 and a half years now and after cleaning it today i have noticed 2 lines at the top of the screen, they appear to line up with the toolbars

Shallow Thoughts : tags : burn-in

OLED Burn in Test Check Screen Burn in OLED TV (100% Fix)

OLED Burn-In: What You Need to Know for TVs, Phones and More - CNET

OLED Screen Burn-In [What You Need To Know] - Display Ninja

Ten-month burn-in testing reveals all OLED monitors and TVs suffer some amount of burn-in, but LCD monitors also have uniformity issues

Screen burn-in - Wikipedia

Is this burn in? VA panel View sonic monitor : r/Monitors

Should I be concerned about burn-in on my CORSAIR OLED monitor?

What is OLED Burn-In and How to Prevent It - Easy 5 Minutes

Here's a strange one (spontaneous instant burn in) - TR Forums

What Causes OLED Burn-In? How to Fix, Avoid, and Prevent It

Model Years 2018 to 2023 - Weird white 'halo' in 6.5 head unit screen - possible screen burn in? backlight bleed? 3 months old Crosstrek