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The visual system is the physiological basis of visual perception (the ability to detect and process light). The system detects, transduces and interprets information concerning light within the visible range to construct an image and build a mental model of the surrounding environment.
The visual system is complex and consists of several interacting anatomical structures. Here, we will describe the process of how photons of light from our surroundings become signals that the brain turns into representations of our surroundings.
The human visual system. In the course of several billion years, Earth’s life forms have evolved numerous schemes for using electromagnetic radiation in the wavelength range 3500-9000 Å (infra-red through ultra-violet light).
The visual system is probably the most-used and most important of the human sensory systems. Some authorities estimate that about 40% of the human CNS is devoted to receiving and processing visual information. The eye is the sensory end-organ responsible for receiving visual information.
23 sty 2023 · The visual system is complex and consists of several interacting anatomical structures. Here, we will describe the process of how photons of light from our surroundings become signals that the brain turns into representations of our surroundings.
Anatomy of the Visual System. The eye is the major sensory organ involved in vision (Figure 5.12). Light waves are transmitted across the cornea and enter the eye through the pupil. The cornea is the transparent covering over the eye.
Describe the basic anatomy of the visual system; Discuss how rods and cones contribute to different aspects of vision; Describe how monocular and binocular cues are used in the perception of depth
