Eye Pattern

[_Microft]

For a real-world example, here is a post about driving DVI with a RP2040 (Raspberry Pi Pico) which contains eye-pattern measurements:

https://github.com/Wren6991/picodvi

[NikkiA]

Sounds like a modern reconstruction of the magic eye tubes that used to be used

https://en.wikipedia.org/wiki/Magic_eye_tube