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- Q4811856 subject Q13402650.
- Q4811856 subject Q7021242.
- Q4811856 subject Q7035349.
- Q4811856 subject Q7232964.
- Q4811856 abstract "The accommodation reflex is a reflex action of the eye, in response to focusing on a near object, then looking at distant object (and vice versa), comprising coordinated changes in vergence, lens shape and pupil size (accommodation). It is dependent on cranial nerve II (afferent limb of reflex), superior centers (interneuron) and cranial nerve III (efferent limb of reflex). The change in the shape of the lens is controlled by the ciliary muscles inside the eye. Changes in contraction of the ciliary muscles alter the focal distance of the eye, causing nearer or farther images to come into focus on the retina; this process is known as accommodation. The reflex, controlled by the parasympathetic nervous system, involves three responses; pupil accommodation, lens accommodation, and convergence.A near object (for example, a computer screen) appears large in the field of vision, and the eye receives light from wide angles. When moving focus from a distant to a near object, the eyes converge. The ciliary muscle contracts making the lens more convex, shortening its focal length. The pupil constricts in order to prevent diverging light rays from hitting the periphery of the retina and resulting in a blurred image.".
- Q4811856 thumbnail Focus_in_an_eye.svg?width=300.
- Q4811856 wikiPageExternalLink accom.html.
- Q4811856 wikiPageWikiLink Q1048080.
- Q4811856 wikiPageWikiLink Q1071710.
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- Q4811856 wikiPageWikiLink Q12738044.
- Q4811856 wikiPageWikiLink Q13402650.
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- Q4811856 wikiPageWikiLink Q1493507.
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- Q4811856 wikiPageWikiLink Q319595.
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- Q4811856 wikiPageWikiLink Q430024.
- Q4811856 wikiPageWikiLink Q43283.
- Q4811856 wikiPageWikiLink Q4973065.
- Q4811856 wikiPageWikiLink Q5036399.
- Q4811856 wikiPageWikiLink Q604747.
- Q4811856 wikiPageWikiLink Q7021242.
- Q4811856 wikiPageWikiLink Q7035349.
- Q4811856 wikiPageWikiLink Q719179.
- Q4811856 wikiPageWikiLink Q7232964.
- Q4811856 wikiPageWikiLink Q75785.
- Q4811856 wikiPageWikiLink Q7649245.
- Q4811856 wikiPageWikiLink Q848340.
- Q4811856 wikiPageWikiLink Q9128.
- Q4811856 wikiPageWikiLink Q950852.
- Q4811856 comment "The accommodation reflex is a reflex action of the eye, in response to focusing on a near object, then looking at distant object (and vice versa), comprising coordinated changes in vergence, lens shape and pupil size (accommodation). It is dependent on cranial nerve II (afferent limb of reflex), superior centers (interneuron) and cranial nerve III (efferent limb of reflex). The change in the shape of the lens is controlled by the ciliary muscles inside the eye.".
- Q4811856 label "Accommodation reflex".
- Q4811856 depiction Focus_in_an_eye.svg.