Computer Vision Syndrome and Associated Factors among Computer Users in Debre Tabor Town, Northwest Ethiopia

Table 2

Behavioral characteristics of computer users and their condition of working environment in Debre Tabor town, northwest Ethiopia ().

Variables	Frequency	Percent
Type of computer the workers used
Desktop only	429	70.7
Both desktop and laptop	108	17.8
Laptop only	70	11.5
Number of working years in the current position
≤5.7	341	56.2
>5.7	266	43.8
Number of working hours with computer/day
≤4.6	334	55.0
>4.6	273	45.0
Using ergonomically comfortable sitting chair
Yes	374	61.6
No	233	38.4
Source of light at the working place
Natural light	526	86.7
Florescent/light bulb	81	13.3
Brightness of computer screen
Bright	464	76.4
Dull	143	23.6
Adjusting computer brightness
Yes	392	64.6
No	215	35.4
Using antiglare for computer screen
Yes	71	11.7
No	536	88.3
Taking regular break
Yes	214	35.3
No	393	64.7
Wearing eyeglass at work
Yes	66	10.9
No	541	89.1
Previous history of eye illness
Yes	85	14.0
No	522	86.0
Workload on computer
Yes	213	35.1
No	394	64.9
Knowledge
Good	345	56.8
Poor	262	43.2