Query: Computer vision syndrome

title: The Relation between Symptoms of Computer Vision Syndrome and Visual Display Terminal Utilization
abstract: The increased use of computers in the era of technological advances had an impact on the eye health called Computer Vision Syndrome (CVS) a compound eye problem caused by computer use. Almost every job could not be separated from the use of computers. Based on data from World Health Organization (WHO) in 2014, the incidence of asthenopia (eye fatigue) ranged from 40% to 90% This research aimed to determine the relationship between symptoms of Computer Vision Syndrome and Visual Display Terminal utilization.  This research was a quantitative with analytic survey method. Based on the data collection method, this research included as observational research type. This research was conducted with cross sectional study design. Data collection was carried out with doctor's diagnosis guidelines, interviews, measurement using questionnaires, and observation. The population was 47 permanent workers and the sample taken was 42 respondents from the design division workers. The sampling technique used simple random sampling. The variables in this research were age, working period, distance to VDT, and general lighting intensity.  This research showed that the factors associated with symptoms of Computer Vision Syndrome were working period and eye distance to VDT.  The longer the working period and the more distance between the eye and the VDT, the more symptoms of VDT would be.  computer use, symptoms of computer vision syndrome, visual display terminal

title: Prevalence of Computer Vision Syndrome and Associated Factors among Postgraduate Students at University of Gondar, Northwest Ethiopia, 2019
abstract: Computer vision syndrome is one of the major public health problems. However, the prevalence and associated factors were unknown among postgraduate students, making provision and intervention treatment more difficult. This study was intended to fill this gap.  An institution based cross sectional study was conducted using a pre tested structured self administered questionnaire. The data were entered into epidemiological information version 7 and exported to SPSS for analysis. p value <0.05 was considered statistically significant.  A total of 359 students participated in this study, with a response rate of 96.38% The prevalence of computer vision syndrome was 84.4% (95% CI, 80.10 88.00) Students who used a computer for more than 4.6 hours per day (AOR: 3.763, 95% CI 1.732, 8.176) the position of computer (AOR: 3.949, 95% CI: 1.308,11.921) using a computer without a break (AOR: 2.891, 95% CI: 1.397, 5.985) presence of glare on a computer (AOR: 3.864, 95% CI: 1.601,9.329) and older age (AOR=3.295, 95% CI: 1.245, 8.722) and (AOR: 4.828, 95% CI: 1.121, 20.797) were statistically associated with computer vision syndrome.  In this study, the most common symptoms were blurred vision, eye irritation, and headache. Age, time spent on computer, the habit of taking a break, the level of computer and presence of glare were associated with the development of CVS.

title: Prevalence of meibomian gland dysfunction in patient's who are prone to computer vision syndrome
abstract: Using computer for prolonged time led to the users at greater health risk of computer vision syndrome (CVS) Computer vision syndrome is the leading occupational health problem of the twenty first century. About 70 percent of computer users are suffered from CVS. Thus aim of this study was to evaluate the meibomian gland dysfunction in computer users.  A self administered questionnaire was used to collect demographic data, symptoms of CVS, detail of computer usage, potential risk factor and types of tasks performed by the computer users. Data was analyzed using statistical package for social sciences software version 14. Descriptive data was presented as mean standard deviation. Significance of association of meibomian Gland Dysfunction (MGD) with Computer Vision Syndrome (CVS) was tested using chi square test and correlation was tested using Pearson correlation test.  Computer vision syndrome was present in 80% of subjects. MGD was present in 65% of the patient diagnosed to have computer vision syndrome. Chi square test for association was statistically significant (P value  MGD is one of the multifactorial causes for dry eyes in patients prone to the development of computer vision syndrome and should be specifically looked for and treated to give better symptomatic relief to these patients. To explore meibomian gland dysfunction may determine the severity of dry eye condition in computer users.  Meibomian gland Dysfunction, Dry eye disease, Computer vision syndrome, Ocular irritation.

title: Prevalence and associated factors of computer vision syndrome among the computer engineering students of Pokhara University affiliated colleges of Kathmandu valley
abstract: The American Optometric Association defines computer vision syndrome (CVS) or digital eye strain as "a complex of eye and vision problems related to activities, which stress the near vision and which are experienced in relation or during the use of computer" Symptoms of computer vision syndrome are broadly classified into four categories i.e. asthenopic sore eyes, eye strain, ocular surface related dry eye, irritation, watering, visual double vision, blurred vision, slowness of focus change, extra ocular shoulder pain, neck pain, back ache.

title: Assessment of Computer Vision Syndrome in Software Professionals
abstract: According to National Institute of Occupational Safety and Health, computer vision syndrome affects 90% people who spend more than 3 hours a day on the computer. It is a group of eye and vision related problems. It is a temporary condition resulting from focusing the eyes on a computer display for prolonged, uninterrupted period of time. Also different reactions of the eye and the brain to the characters on the screen cause strain. Hence, this study is planned to assess computer vision syndrome in software professionals.  To assess Computer Vision Syndrome by history and clinical examination.  An assessment survey was conducted in a convenient software company. A total number of 60 people in age group 28 40 years having minimum exposure of three years to computer everyday were recruited in the study. A questionnaire was developed to collect data about perceived symptoms on computer vision syndrome.  It was observed that 80% of subjects suffer from backache, wrist and shoulder pain. 72% subjects complained of eyestrain and 70% complained of dry and irritated eyes. 62% subjects complained of headache. More than 50% subjects gave history of watering and redness of eyes.  Study shows that more than 50% subjects suffer from some or the other symptom of computer vision syndrome. Early detection and prevention of computer vision syndrome is necessary to prevent future complications and better health of software professionals.

title: The frequency of symptoms of computer vision syndrome among medical college students in Islamabad.
abstract: Indiscriminate use of computers has increased during the present fast paced age, and this technology misuse has negatively affected many users. This study aimed to determine the presence of the symptoms of computer vision syndrome and to assess the pattern of computer usage in medical college students.  Foundation University Medical College, Islamabad, among the MBBS students.  From March till August 2018.  A total of 240 conveniently selected medical students took part in this cross sectional study and filled a pretested selfadministered questionnaire, during a six month duration. Ethical consideration was taken, and unwilling students or those with ocular, muscular and general diseases were excluded.  A majority of participants 181(75.4% were females, rest 24.58% were males. The mean age was 21 yrs with SD of 1.6 yrs. A dominant number,170 (70.8% experienced sore/ strained eyes followed by watering of eyes,128 53.3%,and blurred distant vision,121 (50.4% pain 42.9%,redness 40.8% dryness 33.8% blurred near vision 29.2% burning eyes sensation 42.9%,twitching of eyelids 35%,double vision 24.2% Headache was experienced by178 74.2% participants, followed by backache in 137( 57.1% students, due to overuse of computer(significant at a p value of 0.01).About 62.5% were not using antiglare screens, or frequent blinking method (56.7% as a means of protection.  A majority of the study population had been using computers for less than 5 yrs, giving adequate breaks during the day, yet they were experiencing symptoms of CVS like sore/strained eyes and headache as a consequence of regular computer usage. Most of them were not taking protective measures during computer work.

title: ASSESSMENT OF KNOWLEDGE AND PRACTICE ON PREVENTION OF COMPUTER VISION SYNDROME AMONG COMPUTER PROFESSIONALS
abstract: A descriptive correlational survey was conducted among 100 computer professionals working in selected enterprises of Thiruvananthapuram city Kerala. The objectives of the study were 1) To assess the knowledge and practice regarding prevention of computer vision syndrome among computer professionals, 2) To find out correlation between knowledge and practice3) To find out association between demographic variables and knowledge regarding prevention of computer vision syndrome among computer professionals 4) To find out association between selected socio demographic variables and ergonomic practices of computer professionals. The conceptual framework for the study was based on Lafrey Kulboks community health promotion model which was modified as occupational health promotion model. The sampling technique is non probability convenience sampling. A self reporting questionnaire and an observational checklist was used for data collection. The major findings of the study were majority (81% of the computer professionals had inadequate knowledge and inadequate practice (79% regarding the prevention of computer vision syndrome. And a strong positive correlation was found between level of knowledge and practice a statistically significant association was observed between the level of knowledge and nature of work of computer professionals (p<0.05) and also between gender of the computer professionals and level of practice (p<0.05) an e module on healthy computing tips was provided for all professionals. The recognition of computer vision syndrome as an emerging health problem needs to be given importance and strategies need to be adopted for its prevention.

title: To Assess The Knowledge And Awareness About Computer Vision Syndrome Among It Professionals And College Students
abstract: Computer Vision Syndrome (CVS) refers to ocular discomfort and vision related problems for long time computer use due to poor lighting, poor seating posture, and glare on the screen or uncorrected refractive error. The most common symptoms associated with CVS are eyestrain, headache, blurred vision, dry eyes, irritation, itching, double vision, burning sensation, neck and shoulder pain.  To assess the knowledge and awareness about computer vision syndrome among IT professionals and college students and to compare associated symptoms in those who are using computers/mobile for 6 hrs and more per day.  A pre prepared questionnaire of 27 questions was used in this cross sectional study for collecting data from the subjects. The data was analysed by using the software SPSS version 20 with the help of techniques like X2 and Fisher's tests.  Out of total 300 respondents 150 participants were college students and 150 participants were IT professionals Most of respondents were reported that they were experienced of disturbing symptom like headache, eye strain, dry eye, and neck pain (62.7 The present study reveals that most of the participants were experiencing some of the symptom of CVS, especially in those who are using more than 6 hours. There is a need of awareness about the CVS among them.

title: Computer Vision Syndrome among Patients Attending the Outpatient Department of Ophthalmology in a Tertiary Care Centre: A Descriptive Cross sectional Study
abstract: Computers and digital electronic devices have become an integral part of life. These devices have adverse effects and nowadays are considered leading occupational hazards. Computer vision syndrome comprises of all the ocular, visual and musculoskeletal symptoms secondary to long term computer use. The objective of this study is to determine the prevalence of computer vision syndrome among people attending the outpatient department of ophthalmology in the tertiary care center in Nepal.  A descriptive cross sectional study was done among 70 patients in a tertiary care hospital from January 2017 to June 2017 after obtaining ethical approval from the institutional review committee (Ref: 12042017) Convenient sampling method was applied and the point estimate at 95 confidence interval was calculated along with frequency and proportion for binary data. Patients using computers for more than one hour were included in the study. All data were entered in Microsoft Excel and analyzed using statistical package for social sciences version 20.  Among 70 patients, 67 (95.7% (87.9 99.1 at 95% confidence interval) had one or more symptoms on computer use. The mean duration of computer use was 7.5+ 5.4 years and average hours of computer use among computer users were 6.9+ 3 hours. The most common symptom among computer users was headache seen in 46 (62.2% patients.  Our study showed that a significant number of people using a computer develop one or more symptoms on the long term use of the computer. Therefore, it is very important to create awareness regarding computer vision syndrome and methods to prevent it among computer users.

title: Computer Vision Syndrome: A Rural College Based Pilot Survey
abstract: The aim and purpose of this pilot survey was to determine the prevalence of computer vision syndrome (CVS) and to determine the most prominent symptom of CVS among the students. A prospective study was conducted in the Optometry lab of the Paramedical College at UPUMS, Saifai, Etawah during the month of December, 2018. 120 subjects (mean age= 25+ 1.14 years) having visual acuity of at least o log unit as well as not having any refractive error, amblyopia, squint or ocular surgery were consecutively enrolled and were subjected to a questionnaire based survey and the responses were evaluated to know the prevalence and the major cause of CVS. It was found that out of 120 subjects, 63 =52.5% p<0.05) were suffering from CVS and remaining 57 =47.5% p<0.05) were normal. The common symptoms including headache, neck pain, blurred vision watery eyes were observed. The age group of 16 20 years were having the most =27, 22.5% subjects with the symptoms of CVS. Most common symptom was Headache (24% while blurred vision (6% was the least commonly experienced symptom. Subjects who used to work over computer continuously for long hours were found to have more severe problem of CVS.