Addison's Disease Support Group
Addison's disease (also known as chronic adrenal insufficiency, or hypocortisolism) is a rare endocrine disorder. It is estimated that it affects about 1 to 2 in 100,000 people. It occurs when the adrenal glands, seated above the kidneys, fail to produce enough of the hormone cortisol and, sometimes, the hormone aldosterone
I am having the same symptoms as you; headache, light sensitivity, and my pupils don't want to contract. I'm not sure if we are dealing with the same thing, but the similarities are a bit weird!