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Virtual education during quarantine and computer-induced vision syndrome among students

 
 

Since the outbreak of the coronavirus and the announcement of covid-19 by the World Health Organization, many centers, including schools and universities, have been closed to prevent an increase in the number of cases. Due to the uncertainty of the end of the covid-19 world and in order to prevent the academic backwardness of students and alumni and reduce the damage to the education system, many universities have adopted the process of virtual courses اند. With the increasing use of cell phones and computers to study lessons and attend online classes, students spend hours a day watching online classes and may experience visual symptoms (eye fatigue, Experience dry eye, pain, burning, redness, etc.), ocular (muscular blurring), and musculoskeletal symptoms (neck and shoulder pain) commonly known as computer vision syndrome (CVS). کردن. This situation becomes more complicated when, due to the increase in students’ free time, the use of smartphones and cyberspace for the purpose of entertainment has already left visual and neurological effects
Studies have shown that redness of the eyes, tears, and foreign body sensations were the most common complaints of patients and the most common possible diagnosis of CVS, which could be due to increased hours of use of TV screens and smartphones

CVS symptoms increase with increasing duration of computer use. In a study, medical students were divided into two groups of study (electronic reader) and control (print) to evaluate the degree of eye fatigue caused by using e-readers. After a one-hour study session compared to the traditional paper study method, the e-reader group showed a higher rate of fatigue and eye irritation than the control group

So far, there are no exact criteria for the acceptable level of computer use for different ages in different seasons and no standard for the quality and resolution of screens. In addition, many people are not fully aware of the symptoms of CVS and ways to prevent it. Also, the studies conducted during the quarantine period were conducted using a questionnaire and face limitations such as recall error and providing the expected answers by the participants instead of the correct answer. However, based on the available knowledge and until the presentation of valid guidelines, it is necessary during the quarantine period that virtual education and the use of computers have increased more than before. Adequate information and training on the correct methods of using computers in order to Reduce eye injuries for students and professors

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