As from your history you are having a small sore like swelling on the inner side of the lower eye lid. This is probably common inflammatory lesion of the glands of the eye lids like stye
The treatment is mainly by antibiotic eye drops and antiinfalammatory drugs. Since there is no redness
of the eye and discharge the inner layers of the eye are not involved.
If the lesion wont subside or if the symptoms like pain, redness arise you need to consult your eye doctor.