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.

In this video, I explore our sense of vision. Vision is an important sense. Learn all about this sense and how the physical stimulus of light is perceived by the receptors in our eyes. [8:01]

A new program called Vision for Baltimore provides eye exams and two pairs of glasses free of charge to every K-8 student in Baltimore City who needs them. About 25 percent of students in Baltimore who need glasses do not have access to...

This video [9:55] explains photo-transduction cascade which is critical to our sense of vision. By Ronald Sahyouni.

This video reviews the structure of the eye. [10:28]

Neurologist Oliver Sacks talks with Ira about vision, the brain, and how the two can work together -- or can work against each other.

How do you know what you're seeing is real? These illusions bring about the truth! [2:03]