I Had Acute Iritis About A Month Ago And Today

I had acute iritis about a month ago and today I have spot in front of my eye particularly whe outside. It's like someone has held a pice of glass in front of me with water spots on it I have phone the eye clinic and they don't work Friday afternoons. I have some eye drops that I could use they are PRED FORTE and I have an unopened bottle, should I use them?