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What is Butterfly Nebula and Image Fundamentals about?
The document discusses the structure and function of the human eye and visual system. It describes how light enters the eye and is focused on the retina. The retina contains two types of light receptors - rods and cones. Rods are for dim light vision and cones are for color and bright light vision. The visual system can adapt to a wide range of light intensities and perceived brightness is a logarithmic function of light intensity. Discrimination of brightness changes gets better at higher light levels as c
- Author
- Nikhil Jaitak
- Language
- EN