<qa>  What is the effect of inhaled corticosteroids in those with pre-existTo date, the effect of inhaled corticosteroids in those with pre-existing OHT or POAG remains uncertain. Considering the large number of patients on inhaled steroids, investigating the use of inhaled steroid in glaucoma patients could have significant clinical impact. This study was designed to evaluate the effect of inhaled fluticasone propionate on intraocular pressure IOP in patients with OHT or controlled open-angle glaucoma OAG. 