The Prevalence of Visual Fatigue among drivers : acase study of auniversity in Nakorn Si Thammarat

Abstract

         Driving is a very common cause of visual fatigue. The aim of this study was to determine the prevalence of
visual fatigue among drivers: a case study of auniversity in Nakorn Si Thammarat. A cross-sectional descriptive
study was conducted from 30 drivers, during September-November 2017. The data were collected by using visual
fatigue questionnaires, the subjective and objective feelings of fatigue were assessed by using Critical Flicker
Frequency test (CFF). The data were displayed as frequency, percentage, mean, standard deviation. All of drivers
were male. The majority of drivers were40-49 years old (53.3%).The duration of work was less than 8 hours/day
(60.0%). Working experience was less than 10 years (66.8%). The majority of drivershad enough leisure time
(73.3%). Alcohol drinking was found in 30 %. They weresun glasses while driving (40.0%). Although every car
installed light filtering window,the opinions about work-environment of drivers were exposed tosun glare (90.0%).
The highest prevalence of visual symptoms was blurred vision (90.0%), headache (46.7%) and sore eye (43.7%).
The prevalence of visual fatigue was 43.3%. The results suggest that should be promoted a visual healthcare to
relieve visual fatigue.