Now, I and I went to other day, I was having quite bad headaches from the back of my eyes, feeling like, you know, I had pressure there, and so, I think it was just headaches but I wanted to go and check it out, and I went to the, cos my dad said oh if you go to the opticians erm, they give you free checks as you've got glaucoma in the family, and erm, or glaucoma, or whatever you call it.