introduction: consumption of morphine, during pregnancy, in addition to inducing defects in the mother’s nervous system function, caused defects or delays in the formation and evolution of embryonic visual system. in the present study, changes in lens development were assessed in embryos exposed to morphine in utero. methods: female wistar rats (250-300 g) were mated with male rats and pregnanc...

  Effects of visual deprivation on the induction of epileptiform activity were studied in layer II/III of mature rat primary visual cortex. Field potentials were evoked by stimulation of layer IV in slices from control and dark-reared (OR) rats. Picrotoxin (PTX)-induced epileptic activity was characterized by spontaneous and evoked epileptic field potentials (EFPs). The results showed that OR s...

Background & Aims of the Study: Due to the increasing use of computers in the administrative and social structure of Iran, it seems that, in the near future, eye and body symptoms caused by computer work will become one of the most important health issues in our society, and threaten the health of the workforce and consequently, lead to significant financial and industrial losses. The aim of th...

the present study investigates the central concerns of the use of visuals within the four efl textbooks taught at iranian high schools which have been prescribed by the ministry of education. to do this, the four efl textbooks were evaluated and analyzed. descriptive statistics were used to analyze data quantitatively. the analysis indicated that over the four textbooks, 95.71 percent of all vi...

a 29 days old pakistani female infant was presented to our outpatient department with two weeks history of a rapidly progressing large size facial hemangioma involving most of the right cheek and right eyelids. the infant was unable to open the right eye. there was also a small hemangioma on the right second toe. additionally, three similar lesions were found on the right side of the palate and...

purpose: to evaluate demographic and ocular features, etiologies and outcomes of surgery in patients with sensory strabismus as well as to detect factors influencing the type of deviation and outcomes. methods: one hundred and seventy-seven patients with strabismus related to low vision included in this interventional case series. data related to demographic features, visual acuity, refraction,...

abstract to study the efficacy of glyphosate and nicosulfuron herbicides on barnyardgrass [echinochloa crus-galii (l.) p. beauv.] and velvetleaf (abotilon theophrasti medicus.) control and to find the ed50 index, experiments were conducted as factorial arrangement of treatments 2×7 based on completely randomized design with six replications for each weed in 2008-9 at research greenhouse, ferdow...