the scales fall from your eyes

the scales fall from somebody's eyes

To suddenly be able to see a situation clearly and accurately. I used to be so in love with Andrew, but now that we've broken up, the scales have fallen from my eyes, and I can see how selfish he truly is! Once you start working somewhere new, it doesn't take long until the scales fall from your eyes, and you can see all of the problems of your "perfect" new job.
See also: eye, fall, Scales
Farlex Dictionary of Idioms.

the scales fall from your eyes

LITERARY
If the scales fall from your eyes, you suddenly realise the truth about something after a long period of not understanding it or of being deceived about it. It was at that point that the scales finally fell from his eyes and he realised he had made a dreadful mistake. Note: This is a reference to the Bible story of Saul, who became blind after he had a vision of God on the road to Damascus. Saul became a Christian after Ananias, a follower of Jesus, restored his sight. The Bible says: `And immediately there fell from his eyes as it had been scales: and he received sight forthwith, and arose, and was baptized.' (Acts 9:18)
See also: eye, fall, Scales
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • the scales fall from somebody's eyes
  • the scales fall from someone's eyes
  • have scales fall from (one's) eyes
  • take on (a) new significance
  • take on (a) new meaning
  • burst out of (somewhere or something)
  • a light bulb goes on in (one's) brain
  • a light bulb goes on in (one's) head
  • burst (up)on the scene
  • burst on the scene
References in periodicals archive
That's why we're called InjuryLawyers4U." And suddenly the scales fall from your eyes.
There is a whole world out there and you see the scales fall from your eyes."
That might make the scales fall from your eyes rather more quickly.
Yet, once you have been subjected to racism of the worst kind - in my case the murder of my son - the scales fall from your eyes.