introduction: motion of the patient during myocardial perfusion spect could potentially results in false perfusion defects. the effect of different reconstruction methods on these artifacts is not studied. clarification of the relation between the extent, severity and duration of motion with the resultant artifacts may be helpful in designing special soft wares for motion correction. this study...

purpose: to evaluate the anatomical and functional outcomes of surgical treantment in severely traumatized eyes with no light perception (nlp) vision. methods: in this prospective interventional case series, 18 eyes of 18 patients with severe trauma and nlp vision and rapd of 3-4+ admitted in nikookari hospital, tabriz-iran during 2002-2005 underwent deep vitrectomy and other appropriate proced...

-In the present paper we aim at the use of the analysis of the definitions of the Motion Verbs for the application to the understanding and description of action sequences such as those recorded in a video. The main points of computer processing of verbs of motion involve that the definitions are given as input to a system that produces an output that gives a grouping of the verbs and synthesiz...

PURPOSE Effects of low vision on peripheral visual function are poorly understood, especially in children whose visual skills are still developing. The aim of this study was to measure both central and peripheral visual functions in youths with typical and low vision. Of specific interest was the extent to which measures of foveal function predict performance of peripheral tasks. METHODS We a...