﴿ وَتَوَلَّىٰ عَنْهُمْ وَقَالَ يَٰٓأَسَفَىٰ عَلَىٰ يُوسُفَ وَٱبْيَضَّتْ عَيْنَاهُ مِنَ ٱلْحُزْنِ فَهُوَ كَظِيمٌۭ ﴾

“But he turned away from them and said: "O woe is me for Joseph!"-and his eyes became dim from the grief with which he was filled.”

Please check ayah 12:86 for complete tafsir.