The Vertebrate Retina
Jeremy Nathans Part 1a: The function of the vertebrate retina is explained including the amazing ability of the human eye to detect just 5-7 photons of light. This is lecture appropriate for undergraduate or graduate students of cell biology or neuroscience and medical students.
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The Vertebrate Retina
Jeremy Nathans Part 1b: Several optical illusions are used to further explain how the vertebrate eye functions. This lecture is a continuation of Part 1a and is suitable for the same audience.

Human Color Vision
Jeremy Nathans Part 2: Human color vision is the focus of this lecture. Nathans begins with Newton’s prism experiments and moves forward to describe the genetic basis for normal color vision and the common variations. This is lecture appropriate for undergraduate or graduate students of cell biology or neuroscience and medical students.

The Evolution of Color Vision
Jeremy Nathans Part 3: Differences in the color vision of New and Old World primates illuminates the evolution of trichromatic color vision in humans. Suitable for cell biology or neuroscience undergraduate and graduate students.