The phrase hard on the eyes has long been used in everyday English to describe something unattractive or difficult to look at, and this short clip turns that idiom into a ready made reaction. Online, creators lift the line as a standalone punchline for reveal videos, before and after clips, design fails and fashion jokes. Its appeal is its brevity and clarity, the meaning is obvious even without context, so it can be dropped over almost any visual gag and understood instantly by new viewers everywhere.