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When the image is inverted, the superior half portion of the visual field of each eye undergoes a process of projection towards the inferior half portion of the retina. Also, the reversed image produced by the lens causes the temporal half portion of an eye's visual field to be projected on half of the nasal area of the retina. These relationships between the retinal areas and the visual field help health professiThe human eye contains a biconvex lens that performs two important functions – refraction of light and focusing of images to the retina. The lens and retina are crucial structures of the human visual system that work hand-in-hand to execute the image forming process.
Refraction
The eyes lens system functions like a biconvex lens, as it is curved in both sides but flat only at the center part of the lens. When light rays enter the human eye, the curved surfaces bend them. This process is called refraction. Bending the light rays is necessary in order to focus an external object's image and emit the light just behind the lens, at an area called the focal point. The image is then focused on the retina. The image formed is left-right reversed and inverted. Also, the image looks smaller than the external object in view.
When the image is inverted, the superior half portion of the visual field of each eye undergoes a process of projection towards the inferior half portion of the retina. Also, the reversed image produced by the lens causes the temporal half portion of an eye's visual field to be projected on half of the nasal area of the retina. These relationships between the retinal areas and the visual field help health professionals describe visual field defects in the neuroscience point-of-view.The human eye contains a biconvex lens that performs two important functions – refraction of light and focusing of images to the retina. The lens and retina are crucial structures of the human visual system that work hand-in-hand to execute the image forming process.
Refraction
The eyes lens system functions like a biconvex lens, as it is curved in both sides but flat only at the center part of the lens. When light rays enter the human eye, the curved surfaces bend them. This process is called refraction. Bending the light rays is necessary in order to focus an external object's image and emit the light just behind the lens, at an area called the focal point. The image is then focused on the retina. The image formed is left-right reversed and inverted. Also, the image looks smaller than the external object in view. onals describe visual field defects in the neuroscience point-of-view.
Explanation: