According to given history I guess it's a conjunctival cyst. Best way to deal with it is to give cold compress to the affected eye 3 times a day for 30 seconds for at least a week. Do not rub the eye.
Next Steps
Start with in the affected eye:
(1). Eyedrops Flogel / Eyedrops Genteal / Eyedrops Refresh Tears (Any one of these)
3 times a day for 15 days
(2). Eyedrops Lotepred LS
3 times a day for 3 days
2 times a day for next 3 days
1 time a day for next 3 days
Health Tips
Keep a gap of 15 minutes between the two Eyedrops.