Prevalence of Computer Vision Syndrome and Associated Factors among Instructors in Ethiopian Universities: A Web-Based Cross-Sectional Study

Table 2

Ergonomic practices and awareness during computer use among instructors in Ethiopian universities, 2021 (n = 416).

Items/questions	Frequency	Percent
Types of computer used
Laptop only	258	62.0
Laptop and desktop	153	36.8
Desktop only	5	1.2
Currently use eyeglass
Yes	228	54.8
No	188	45.2
Do you know the 20-20-20 rule for eyes?
Yes	175	42.1
I do not know	241	57.9
Is your institution having workplace safety guideline?
Yes	158	38.0
No	211	50.7
I do not know	47	11.3
Do you always adjust the brightness of your computer?
Yes	327	78.6
No	89	21.4
How often do you work on your computer?
Rarely	22	5.3
Sometimes	57	13.7
Often	179	43.0
Always	158	38.0
How often is your sitting position upright with bending back?
Never	21	5.0
Rarely	61	14.7
Sometimes	137	32.9
Often	159	38.2
Always	38	9.1
Health break per day
20–60 minutes	347	83.4
61–120 minutes	69	16.6