Describe the vision process. Be sure to fully address how the eye and brain process visual information.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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2. Describe the vision process. Be sure to fully address how the eye and brain process visual information.

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Introduction

Vision is the ability of our sensory organ to detect different light patterns from the environment and interpret them and turn them into images. The sensory organ that helps us to see is called the eye.

The eyes have two different photoreceptor cells. Ther are:

  • Rods: Rods are responsible for vision at low light levels 
  • Cones: Cones are active at higher light levels
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