Erica, bless your heart. I know how you feel, especially when "normal" people just don't get it. You shouldn't have to explain yourself to other people, especially those who wouldn't have the slightest idea what you go through. Just remember there are many ignorant people who don't think before their mouth opens. Not that I would wish this on anybody, but people just don't understand until they have experienced life like this. For the longest time I thought I was being a hypochondriac and told myself I must be imagining the pain, like all the other doctors alluded to.
Don't worry about your optometrist. Just keep on keeping' on and hope you find relief, especially through diet.
Xoxo