Scholastic
Scholastic: Study Jams! Science: The Human Body: The Senses: Seeing
Animated video, with an accompanying quiz, explains the structure and function of the eye.
Wisc-Online
Wisc Online: The Sense of Sight
Describes the important structures of the human eye and how they work so that we can see images. [4:47]
Khan Academy
Khan Academy: Nervous System Physiology: Sight: Visual Sensory Information
This video looks at the sense of sight and how light hits the photoreceptors in the eye, communicates with the brain, and translates the information into images we can see.
Khan Academy
Khan Academy: The Phototransduction Cascade
This video [9:55] explains photo-transduction cascade which is critical to our sense of vision. By Ronald Sahyouni.
Sophia Learning
Sophia: How We See: Lesson 2
This lesson will introduce you to the anatomy and physiology of the human visual system, its connection to the brain and how this system processes light. It is 2 of 3 in the series titled "How We See."