﴿ وَلَوْ نَشَآءُ لَطَمَسْنَا عَلَىٰٓ أَعْيُنِهِمْ فَٱسْتَبَقُوا۟ ٱلصِّرَٰطَ فَأَنَّىٰ يُبْصِرُونَ ﴾

“NOW HAD IT BEEN Our will [that men should not be able to discern between right and wrong], We could surely have deprived them of their sight, so that they would stray forever from the [right] way: for how could they have had insight [into what is true]?”

And had We willed We would have obliterated their eyesight We would have rendered them blind by obliterating them then they would have tried to advance towards the path to be on their way as usual but how would they have seen? then. In other words they would not have been to see.