Retina
Medical term · R
The innermost layer of the eye, which converts light energy to electrical energy and sends visual images to the brain via the optic nerve.
Related terms
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Optic nerveA cable of specialized nerve fibers that transmit visual impulses from the eye to the brain.
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Central (brain) fatigueA lack of concentration or alertness as well as a sense of lethargy and loss of motivation; involves the central nervous system.
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ChoroidA thin layer of blood vessels and connective tissue between the white of the eye (sclera) and the retina.
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ConesCells in the retina that are sensitive to color and light.