The Prophet ﷺ said: If anyone peeps into the house of a people without their permission and he knocks out his eye, no responsibility is incurred for his eye.
أَنَّهُ سَمِعَ رَسُولَ اللَّهِ ﷺ يَقُولُ مَنِ اطَّلَعَ فِي دَارِ قَوْمٍ بِغَيْرِ إِذْنِهِمْ فَفَقَأُوا عَيْنَهُ فَقَدْ هَدَرَتْ عَيْنُهُ