purpose: to describe the clinical and photographic features of a patient who developed left homo-nymous hemianopia due to right occipital lobe hemorrhage after ingestion of sildenafil citrate (viagra). case report: a 63-year-old man was referred for acute blurred of vision in both eyes five hours after taking 50 mg viagra® (sildenafil citrate). visual field testing revealed left homonymous hemi...

introduction: subarachnoid hemorrhage is one of the cerebral strokes, which is diagnosed from other types by risk factors and type of treatment. published data have shown variations between age, gender and mortality rate in different area. this study aimed to determine demographic, environmental and clinical characteristics of subarachnoid hemorrhage patients who admitted at farabi hospital dur...

purpose: to evaluate the outcomes of vitrectomy for complications of branch retinal vein occlusion (brvo). methods: this retrospective study, included patients who underwent vitrectomy surgery due to the complications of brvo over an 11-year period. visual acuity and retinal condition were evaluated before and after surgery. results: the study included 30 eyes of 30 patients with mean age of 64...

motor vehicle and falling down are responsible for the most number of traumatic injuries. this study aimed to compare the characteristics of traumatic brain injury among accident and falling down cases. in this analytical cross- sectional study, data were collected from the records of cadavers who died due to accident or falling down and referred to kahrizak dissection hall, tehran forensic med...

intracranial hemorrhage is one of the major causes of neonatal mortality and morbidity. it is the most severe cranial problem in that period. those who survive would be affected by hydrocephalus, encephalomalacia, and finally brain atrophy. with accurate knowledge of risk factors, hemorrhage may be diagnosed earlier and the complications managed earlier. this study was performed in neonatal int...

one of the complications during a routine dental implant placement is accidental ingestion of the implant instruments, which can happen when proper precautions are not taken. appropriate radiographs should be taken to locate the correct position of foreign body; usually the foreign body passes asymptomatically from gastrointestinal tract but sometimes it may lead to intestinal obstruction, perf...

introduction: direct observation of procedural skills (dops) is a way of evaluating procedural skills through observation in the workplace. the purpose of this study was to assess the role of dops in teaching and assessment of postgraduate students and to know the effect of repeated dops on improvement of the skills and confidence of the students. methods: this prospective study was conducted i...