4 ms·

Even if the pupil dilation response to light is not consistent over time (or affected by drinking/stress), wouldn't the mere fact that it responded at all be pr

by eridius 10y ago

Even if the pupil dilation response to light is not consistent over time (or affected by drinking/stress), wouldn't the mere fact that it responded at all be proof of a living eye?

tonmoy 10y ago
Someone could play a video
- eridius 10y ago
  But a video would have the characteristics of a photograph rather than a physical eyeball, so the other techniques used to try and detect photographs from eyeballs would catch the video.