Introduction: Ergonomic problems and inadequate lighting are the causes of increased prevalence of musculoskeletal disorders in the workplace. The present study was conducted to evaluate lighting in carpet weaving workshops in Bijar and its association with musculoskeletal pain among female carpet weavers. Methods: In this descriptive cross-sectional study, 104 Carpet weaving workshops were ...

Introduction: Lighting affects many non-visual functions such as Circadian rhythm, alertness, core body temperature, hormone secretion and sleep. The aim of this study was to investigate the effects of lighting on human cognitive and mental performance. Methods: In this systematic review, databases including ISI Web of Knowledge, Scopus, PubMed and Science Direct were searched to access the re...

Introduction: In many workplaces there is exposure to heat and light simultaneously. This study investigated the combined effect of heat and lighting on some cognitive performance, i.e. reaction time. Methodology: the present semi-experimental study was conducted 2015 on 33 healthy students (16 girls and 17 boys) with a mean age of 22.1 in the thermal stress chamber. The reaction time parame...

Background & objective: Proper lighting increases the productivity and efficiency of people in the workplace. This study aimed to translate and validate the office lighting survey questionnaire (OLS) to make it usable in Iran and to create a suitable tool for conducting research related to the qualitative study of workplace lighting. Materials & Methods: The present study is an analytical stud...

The purpose of this research was to evaluate the effect of early life nutrient restriction and subsequent intermittent lighting schedule on performance in broiler. In a factorial experiment, the effect of three levels of feeding regimes and two levels of lighting schedule were investigated using 480 day-old male Hubbard chicks. The broiler chickens were randomly distributed over two rooms consi...

Background and aims: In accomplishing attention-consuming tasks, mental fatigue reduces productivity and increases error rate as the factors involved in work accidents. The present research goal was to study the effects of sleep quality and mental fatigue on attention and reaction time in the thermal comfort condition. Methods: This experimental research was conducted on 33 university students...