𝗜𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 on Instagram: "It’s almost impossible for humans to consciously control the size of their pupils. Normally, pupil movement is automatic — handled by the autonomic nervous system in response to light, emotions, or focus changes. Only a tiny number of people have ever shown the ability to influence their pupil size voluntarily, often by imagining darkness or light, or shifting their internal state through deep focus. Even then, the control is very limite

What is eye dilation and why is it so important?