this is a type of facial pain which is different in character compared to migraine.It occurs at regular time of the day and comes almost everyday for few days to weeks, rarely months and disappears for few weeks to months only to reappear after some time. It is mostly around the eyes, lasts for nearly one hour, with watering ,and redness of the ipsilateral eye, and usually moderate to severe in intensity, more common in smokers and alcohol users. treatment is different than migraine.