めからウロコのおちる
Composed of
eye; eyeball; eyesight; sight; look; stare; notice
scale (of fish, snake, etc.); serif (on kana or kanji (e.g. in Mincho font))
to fall; to drop; to set (of the sun or moon); to sink; to decrease (of popularity, quality, speed, sales, etc.); to fall; to be inferior (to)