the scales fall from someone's eyes
US /ðə skeɪlz fɔːl frəm ˈsʌm.wʌnz aɪz/
UK /ðə skeɪlz fɔːl frəm ˈsʌm.wʌnz aɪz/
1.
if the scales fall from someone's eyes, they suddenly understand the truth about a situation, especially when they have been deceived or mistaken before
:
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After years of believing his lies, the scales fell from her eyes when she saw the evidence.
•
It wasn't until I traveled abroad that the scales fell from my eyes about my own culture.