It seems from the history you have given here that you were given eye drops which belong to non steroidal antiinflammatory group. Both Unibrom and Nepalact contain Bromenac and Nepafenac respectively and both these belong to non steroidal antiinflammatory group.
Probabaly you had some infalmmation of the eye like uveitis
. The eye drops which you had used are mainly to releive the symptoms without treatment for the underlying disease. I advice you to consult your eye doctor for proper evaluation and treatment.