a man came to the Prophet and said: "My eyes are bothering me, can I use Kuhl while I am fasting?" He said: "Yes."  

جَاءَ رَجُلٌ إِلَى النَّبِيِّ ﷺ فَقَالَ اشْتَكَتْ عَيْنِي أَفَأَكْتَحِلُ وَأَنَا صَائِمٌ قَالَ نَعَمْ قَالَ وَفِي الْبَابِ عَنْ أَبِي رَافِعٍ