computers are used everywhere from home to work these days, thus the effects on the visual system will be more noticeable every day. problems associated with computer usage are generally known as the computer vision syndrome (cvs).these problems include eye fatigue, irritation ,redness , blurred vision and dry eye. all of these problems have adverse effects on individuals in the long term and r...

aims: the performance of the vision system as the most important sense of the body depends largely on the optimum lighting of an environment. it is one of the factors that lead to vision problems such as visual fatigue of employees. this study aimed to assess the local lighting and visual fatigue among the official staff of an automotive industry development and research center which was conduc...

Introduction: Nowadays, excessive computer use in the workplace has raised concerns about the health status of VDT workers, particularly complaints about eye discomforts. Due to the importance of the eyelids and eye closure parameters on eye health during computer works and the direct effect of monitor height on these parameters, this study was aimed to examine the effect of different monitor h...

He says : With the parts thus rendered specially receptive to infective germs there is little difficulty in understanding that inflammations should ensue, and thus we find that blepharitis, corneal ulcers, phlyctsenulse, iritis, cyclitis, and glaucoma may have eye strain as one of the predisposing causes. There is also little doubt that cataract may be started by the irregular contraction of th...

purpose: to evaluate the range of accommodation lag and it's signs and symptoms in 20-25 year-old female students at zahedan medical school, iran. methods: three-hundred female students were enrolled for assessment of accommodation. after exclusion of individuals with individuals with accommodation disorders in 3 steps including amplitude of accommodation, accommodative facility, and relat...

Purpose: The purpose of this study is to assess digital eye strain (DES) with the help scoring index (DESSI) in urban population. Methods: subjects were carefully selected no ocular or systemic problems that may alter results and prior written consent was obtained. This divided into two phases. Phase 1 consists reliability testing Cronbach’s alpha test-retest while phase 2 validity internal val...