The basic components of vision are the eye itself, the visual center in the brain, and the optic nerve , which connects the two. The basic components of vision are the eye itself, the visual center in the brain, and the optic nerve, which connects the two. Tunnel vision occurs when one loses visual acuity in the peripheral visual fields while retaining visual acuity in the central regions. Tunnel vision may be temporary or permanent, and it can have myriad causes. Medical Author: William C. Shiel Jr., MD, FACP, FACR Tunnel vision : Loss of peripheral vision with retention of central vision , resulting in a constricted circular tunnel-like field of vision. Moderate and severe cases of peripheral vision loss create the sensation of seeing through a narrow tube, a condition commonly referred to as "tunnel vision." The term tunnel vision means exactly what the name suggests: It is the loss of peripheral vision—the portion of your visual field that lies at the outer edges of your range of vision.. Tunnel vision is the loss of peripheral vision with retention of central vision, resulting in a constricted circular tunnel-like field of vision. Peripheral vision problems mean that you don't have a normal, wide-angle field of vision, even though your central vision may be fine. (See also Plate 17.) The eye works like a camera. Tunnel vision definition is - constriction of the visual field resulting in loss of peripheral vision.
(See also Plate 17.)
How the Eye Works. vision [vizh´un] the faculty of seeing; called also sight. tunnel vision: [ vizh´un ] the faculty of seeing; called also sight . adj., adj vis´ual. adj., adj vis´ual. How the Eye Works . Synonyms for tunnel vision include blinders, blind side, constricted vision, fixation, monomania, myopia, narrowmindedness, narrow outlook, obsession and one-track mind. How to use tunnel vision in a sentence. The vision can be considered to be constricted and concentrated in the central area, as when one is inside a tunnel looking out. And, by extension, any very narrow point of view. Two of these, glaucoma and retinitis pigmentosa, are among the most common. Find more similar words at … The eye works like a camera. Most often, it’s a side effect of other medical conditions.
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