Question

What do you mean by an 'eye opener'?

Answer 1

An eye opener is something which awakens you or shakes you from inside on a particular topic.
Eg.
When you see a play on corruption and you say that it was an eye opener it means it has aroused strong feelings in you against Corruption.

HOPE IT HELPS :):):):)

Answer 2

hello friend,
__________
an eye opener is either :
1.a drink intended to wake one up.
or
2 : something startling, surprising, or enlightening her biography is a real eye–opener.
___________________________

I hope it helps u!!☺