This blurriness is due to the scaling done by the operating system. As such, there are two workarounds:
1) Switch the operating system to 100% scaling. This will affect all of your applications. To change this setting,
a) Right-click on your Windows Desktop.
b) Select "Display Settings".
c) Choose 100% for Scaling.
2) Disable scaling for MATLAB. This can be done by:
a) Right-click on the MATLAB icon shortcut.
b) Select "Properties"
c) Select the "Compatibility" tab
d) Select "Change high DPI settings".
e) Enable "Override high DPI scaling behaviour."
f) For the "Scaling performed by" drop-down, try out the different options. In most cases "System (Enhanced)" resolves the issue.
If the text in MATLAB becomes too small when display scaling is disabled, then the font sizes used by MATLAB can be increased. To do this,
a) Open the Preferences from the HOME tab in MATLAB Toolstrip.
b) Select "MATLAB".
c) Select "Fonts".
d) Choose a font and size.
