Popular Media Clips on Instagram: "I ain’t falling for that 🙂‍↔️ Shining a light into someone’s eyes and observing their pupil response is a simple clinical test known as the pupillary light reflex test. When a bright light is directed into one eye, the pupil of that eye should quickly constrict (direct response), and the pupil of the opposite eye should also constrict at the same time (consensual response) due to crossed neural pathways. This reflex tests the integrity of the optic nerve (cran