white bubble on left eye

i m krishna om shrestha from nepal.i wear glasses ( not contace lenses) . there is a  bubble in white part of my eye. i noticed this last year. i went to my opthalomologist, he told me that its a conjuctival cyst and tolds me to use FLUR(Flurbiprofen sodium opthalmic solution) for 15 days. after using it didnt go.
he told me not to worry
but i m worried whether it will cover my cornea.

help me

[John C Hagan III, MD, FACS, FAAO]

conjunctival cysts are common, not serious, come in different sizes, often go away by themselves, sometimes need surgery which is simple to do but often reoccur.

JCH MD