For one, mid-day {sort of optional}, and the evening.
I know there has been benefit with BTD and Coeliacs - intrigued because I knew several women with it, but their eyes were slightly different...sounds like you may be close to keeping under control.
If you find a chinese eye doctor, they are usually pretty knowledgable about iridology. I don't know your location - but if ever in Seattle go to Seattle Vision Clinic, Dr. Chen.