Kharel Sitaula Ranju, Khatri Anadi
Department of Ophthalmology, B.P. Koirala Lions Centre for Ophthalmic Studies, Maharajgunj Medical Campus, Tribhuvan University, Institute of Medicine, Maharajgunj, Kathmandu, Nepal.
J Nepal Health Res Counc. 2018 Oct 30;16(3):291-296.
Computer vision syndrome is a common global problem among millions of computer users including medical students. Medical students are preferring soft copies rather than textbooks. The aim of this study was to assess the knowledge, attitude, and practice of MBBS students about Computer vision syndrome, and to identify its ocular morbidity among them.
A descriptive cross-sectional survey based on the questionnaire was conducted among 1st- 4th year MBBS students of the Institute of Medicine and 80 students underwent detailed ocular evaluation.
A complete survey response was received from 236 students out of 299 students (Response Rate 80%). The mean age of MBBS students was 21.38 years ± 1.328 years and the range were 19-22 years; 76.2% were male and 23.8% were female. The majority (37.2%) spent 2-3 hours/day on the computer and had a higher risk (p-0.0001) of developing Computer vision syndrome. About 69.5% students used a computer at the level of the eye but there was a significant reduction in Computer vision syndrome (p-0.0001) among those who had computer screen below the eye level. Association between taking breaks (p-0.0001) and frequent blinking (p-0.0411) during computer use and relief of symptoms was significant. Only 22.9% had pre-existing knowledge of Computer vision syndrome and only 25.5% of them were practicing the ideal viewing distance. Among 80 medical students randomly selected for detail eye examinations (63.7% male;36.2% female), the prevalence of Computer vision syndrome was 71.6%. The commonest ocular complaint was a headache (50%) and dry eyes (45%). Myopia was the commonest refractive error (31.2%) and the orthoptic problem was prevalent among 17.5% students.
The survey showed that Computer vision syndrome is relevant among MBBS students but the knowledge, attitude, and practice of Computer vision syndrome among them is poor.
计算机视觉综合征是包括医学生在内的数百万计算机用户中普遍存在的全球性问题。医学生更喜欢电子副本而不是教科书。本研究的目的是评估医学学士学生对计算机视觉综合征的知识、态度和实践情况，并确定他们当中该综合征的眼部发病率。
对医学院的医学学士一年级至四年级学生进行了一项基于问卷的描述性横断面调查，80名学生接受了详细的眼部评估。
299名学生中有236名学生给出了完整的调查回复（回复率80%）。医学学士学生的平均年龄为21.38岁±1.328岁，年龄范围为19至22岁；76.2%为男性，23.8%为女性。大多数人（37.2%）每天花2至3小时使用电脑，患计算机视觉综合征的风险更高（p = 0.0001）。约69.5%的学生在眼睛水平高度使用电脑，但在电脑屏幕低于眼睛水平的学生中，计算机视觉综合征的发病率显著降低（p = 0.0001）。使用电脑时休息（p = 0.0001）和频繁眨眼（p = 0.0411）与症状缓解之间的关联显著。只有22.9%的学生之前了解计算机视觉综合征，其中只有25.5%的人保持理想的观看距离。在随机挑选进行详细眼部检查的80名医学生中（63.7%为男性；36.2%为女性），计算机视觉综合征的患病率为71.6%。最常见的眼部不适是头痛（50%）和干眼（45%）。近视是最常见的屈光不正（31.2%），17.5%的学生存在视轴矫正问题。
调查显示计算机视觉综合征在医学学士学生中较为常见，但他们对该综合征的知识、态度和实践情况较差。
