Tafseer Ibn Kathir of QAAF [22]

لَقَدْ كُنتَ فِي غَفْلَةٍ مِّنْ هَذَا فَكَشَفْنَا عَنكَ غِطَاءكَ فَبَصَرُكَ الْيَوْمَ حَدِيدٌ

[It will be said], "You were certainly in unmindfulness of this, and We have removed from you your cover, so your sight, this Day, is sharp."