Brown spot on edge of iris 4 months after LASIK. (Photo)

4 months after LASIK I have brown spot on white part of my eye/edge on iris. Is that epithelial ingrow? I still struggle slightly with this eye... Struggled two times with double vision/ghosting. After week of using oftan dexa chloramphenicol things are back close to good. Also. Can I use other remedies for dry eyes? Artificial tears help for short time. Can I use something more lubricating?