purpose: to determine the accuracy of photorefraction and autorefraction as compared to cycloautorefraction and to detect the repeatability of photorefraction. methods: this diagnostic study included the right eyes of 86 children aged 7‑12 years. refractive status was measured using photorefraction (plusoptix so4, gmbh, nürnberg, germany) and autorefraction (topcon rm800, usa) with and without ...

background and objective: intraoperative consultation by frozen section is a high – risk procedure with important consequences. therefore, it is critical to determine efficiency of frozen section performance periodically. this study was performed to determine the accuracy of frozen section in urmia university of medical sciences. materials & methods:inthis cross sectional study, we compare...

frozen section and touch imprint cytology are important diagnostic procedures for surgeons during operation and must be accurate if the patient is to receive maximum benefit. to assess the accuracy of intraoperative pathologic consultation including frozen section and touch imprint cytology during a five year period (1995- 2000), a retrospective survey of 1000 consecutive cases of frozen sectio...

abstractthis study examined the effect of two types of feedback, post-text as a written feedback and recast as an oral one on written grammatical accuracy of iranian intermediate efl learners. to this end, 45 intermediate students who were studying at ideal language institute in sari were selected based on their performance on the nelson proficiency test, and then divided into three groups (two...

this study examined the effects of aural and written prompts under two planning conditions (i.e. pre-task planning and no planning) on complexity, accuracy, and fluency of test takers' writing production. forty learners in an english institute, who had already been classified as intermediate according to the oxford placement test, were assigned to two planning conditions (i.e. no planning and p...

background: medical error is defined as an adverse event caused by medical management, which can be prevented. the aim of this study was to investigate the accuracy of diagnosis of oral and maxillofacial diseases made by health care practitioners. methods: a descriptive cross sectional study was done between apr. 2009 and mar.2010. 372 patients with oral and maxillofacial lesions who had referr...