a human eye dilation simulator is provided for use in a medical patient simulation mannequin . the eye simulator &# 39 ; s pupils dilate and constrict in response to light stimuli , and physiological condition . eyelids open , close , and blink under control of a simulation computer . the eyelids and can be opened manually for student examination , testing , and diagnosis . each eye can be programmed independently with a variety of responses to simulate actual eye responses to various neurological dysfunction , trauma , or drugs . the eye simulator is used in conjunction with other responses from a patient simulator mannequin to simulate the bodily responses of an actual patient to various situations encountered in the medical field . the patient simulator is used for training medical personnel especially in the areas of trauma care and anesthesiology .