Ciliary muscle - Wikipedia, the free encyclopedia
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The ciliary muscle is a smooth muscle in the eye that controls the eye's accommodation for viewing objects at varying distances and regulates the flow of aqueous humour through Schlemm's canal. The ...
en.wikipedia.org/wiki/Ciliary_muscle
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To model the accommodation of the eye, the scale model eye was used with the cornea through the front surface of the lens held constant at the model values. The matrix for that part of the eye was calculated and then the thickness d and back surface power P were varied.
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hyperphysics.phy-astr.gsu.edu/HBASE/vision/accom.html
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Accommodation from distant to close objects for the eye is done by rounding out the lens to shorten its focal length, since the image distance to the retina is essentially fixed.
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hyperphysics.phy-astr.gsu.edu/Hbase/geoopt/camacc.html
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1) What is accommodation ? ... 2) Why does our eye need accommodation? ... To bring the image into focus, our eye does accommodation.
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library.thinkquest.org/28030/physio/accom.htm
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Accommodation of the eye refers to the act of physiologically adjusting crystalline lens elements to alter the refractive power and bring objects that are closer to the eye into sharp focus. ... Accommodation relaxes the tension applied through zonule fibers to the crystalline lens, and allows the anterior surface of the lens...
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micro.magnet.fsu.edu/primer/java/humanvision/accommodat...
micro.magnet.fsu.edu/primer/java/humanvision/accommodation/index.html
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Abstract not available ... European Patent Application EP1545399 ... Abstract not available...
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www.freepatentsonline.com/EP1545399.html
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PURPOSE: To investigate whether accommodation induces any changes in central corneal curvature. METHODS: Shape changes were measured on 14 subjects using a keratometer modified to enable a change in focus to occur without a change in vergence.
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www.ncbi.nlm.nih.gov/pubmed/11826999
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BACKGROUND: The basics of the model of accommodation were described by Hermann von Helmholtz 150 years ago and are accepted until today. ... The central vertical and horizontal radii of curvature of the cornea increased with accommodation. This is likewise a decrease of the central anterior corneal curvature by near...
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www.medscape.com/medline/abstract/17717782
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Accommodation is the eye’s way of changing its focusing distance... ... Accommodation is the eye’s way of changing its focusing distance: the lens thickens, increasing its ability to focus at near. A young person’s ability to accommodate allows him or her to see clearly far away and up close. ... Tests for Eye Alignment ;
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www.stlukeseye.com/EyeQ/accommodation.asp
www.stlukeseye.com/EyeQ/accommodation.asp
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