Slow eyelid closure as a measure of driver drowsiness and its relationship to performance

Slow eyelid closure is recognized as an indicator of sleepiness in sleep-deprived individuals, although automated ocular devices are not well validated. This study aimed to determine whether changes in eyelid closure are evident following acute sleep deprivation as assessed by an automated device and how ocular parameters relate to performance after sleep deprivation.Twelve healthy professional drivers (45.58 ± 10.93 years) completed 2...