This surah is ‘makki’ and it has 45 ayaat.
The Holy Prophet (s.a.w.) has said that whoever recites this surah frequently will not suffer at the time of death.
Reciting surah Qaf in salaat increases one’s sustenance and makes the accounting of the Day of Judgement easy.
Writing and drinking water in which this surah has been dissolved cures one of many acute diseases. Verse 23 of this surah is especially good for the cure of eye ailments.
One can recite this verse and blow into some water and then drink it, and by the will of Allah (s.w.t.) any problem with eyes will be cured.
May Allah increase us in knowledge!