#Track 21: #Visual #System #And #Eye
The #eyes together with their #connecting #pathways to the brain form the #visual #system. It detects and interprets information from visible light to build a representation of the surrounding environment. In the eye, the #cornea bends light rays and is primarily responsible for #focusing the image on the #retina. The lens behind the cornea inverts the image top to bottom and right to left. The retina, a sensory surface inside the back of the eye, is the structure that translates light into nerve signals, and enables us to see under conditions that range from dark to sunlight, discriminate colors, and provide a high degree of #visual #precision. Most projections from the retina travel via the #optic #nerve to a part of the #thalamus called the #lateral #geniculate #nucleus (LGN), deep in the centre of the #brain.
The #eyes together with their #connecting #pathways to the brain form the #visual #system. It detects and interprets information from visible light to build a representation of the surrounding environment. In the eye, the #cornea bends light rays and is primarily responsible for #focusing the image on the #retina. The lens behind the cornea inverts the image top to bottom and right to left. The retina, a sensory surface inside the back of the eye, is the structure that translates light into nerve signals, and enables us to see under conditions that range from dark to sunlight, discriminate colors, and provide a high degree of #visual #precision. Most projections from the retina travel via the #optic #nerve to a part of the #thalamus called the #lateral #geniculate #nucleus (LGN), deep in the centre of the #brain.
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