Seeing! A Photon's Journey Across Space, Time and Mind (trailer)

Join Neil deGrasse Tyson in a journey exploring the life of a photon. Start from its creation in the belly of a star, travel across the galaxy and go all the way into the eye of a young stargazing girl. You will learn the structures of the eye and its functions, while taking a ride on the optic nerve. Discover how the eye works, how technology has enabled us to restore vision and prevent a variety of diseases that affect sight in the show “Seeing”.

This film is part of the SIGHT project - StoryofSight.com - and is underwritten by ZEISS Vision Care. Watch SIGHT on your local PBS station.

The full movie is available here.