i have almost permanent boil in my lower left eye lid from last 3 years ,it is not painful,appears solid ,sometimes it becomes smaller & sometimes bigger,it remains bigger for 2 to 3 months .i had same kind of boil in the other eye but that has completly disappeared but not this one ,i have bad life style,i often skip bath spend 8 to 10 hour infront of PC,and i am not morning people. What it is ?