At inner corner of eye there is normal swelling named curuncle. http://www.edoctoronline.com/medical-atlas.asp?c=4&id=21671&m=1&p=12&cid=1049&s=
If pain is there. U might have some infection of it.
Lion's hospital Gunajan - Vapi.
Next Steps
Please share picture of ur eye.
Health Tips
Do cold compresion with Ice in plastic bag. and show to Nearby ophthalmologist.