Vision: Crash Course A&P

The video explores the complexity of human vision, starting with optical illusions and their effects on perception. It delves into the nature of light as electromagnetic radiation and its interaction with the eye. The anatomy of the eye is detailed, highlighting its protective features and the roles of different layers. The video explains the functions of photoreceptors, rods, and cones, and how they contribute to vision. It also covers the phenomenon of afterimages and visual fatigue, providing insights into the fallibility and complexity of human vision.

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