Introduction The main goal of this study was to perform quality control test on all radiography units operating in Golestan province of IRAN. Materials and Methods Forty-four X-ray units were examined based on general accepted programs for quality control. Eight parameters including kVp accuracy, kVp reproducibility, mA-time reciprocity, exposure linearity, exposure reproducibility, timer accur...

introduction the main goal of this study was to perform quality control test on all radiography units operating in golestan province of iran. materials and methods forty-four x-ray units were examined based on general accepted programs for quality control. eight parameters including kvp accuracy, kvp reproducibility, ma-time reciprocity, exposure linearity, exposure reproducibility, timer accur...

purpose: to quantify the intraobserver reproducibility of retinal nerve fiber layer (rnfl) measurements using scanning laser polarimetry with variable corneal compensation in glaucoma suspect patients. methods: twenty-six eyes of 26 glaucoma suspect patients were included. complete ophthalmologic examination and standard automated perimetry were performed for all of them. rnfl measurements were...