The normal intraocular pressure of the eye can vary between 8 amd 22mmHg. It relies on the normal function of the production of aqueous humor amd its normal drainage outflow which is at the edge of the cornea at its junction with the iris.
With problems like yours the is an inflammatory response in the eyes amd these inflammatory cells can partially block the drainage channel thus increasing the pressure in the eye.
Try googling 'secondary glaucoma due to inflammation'.