Causes of a pulsating eye include eye infections or irritation, lack of sleep and fatigue and stress, Healthline states. In most cases, eyelid pulsation does not indicate that there is a serious... Causes of a pulsating eye include eye infections or irritation, lack of sleep and fatigue and stress, Healthline states. In most cases, eyelid pulsation does not indicate that there is a serious... Star Gazing