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light reflex

   Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia 0.01 sec.
light reflex [′līt ‚rē‚fleks]
(physiology)
The postural orientation response of certain aquatic forms stimulated by the source of light; receptors may be on the ventral or dorsal surface.
The response in which the pupil dilates when light levels are lowered, and constricts when light levels are raised.
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Techniques the IAHP use to speed brain development may include teaching a child who is immobile how it "feels" to crawl by moving the arms and legs in a crawling "pattern," stimulating the light reflex of a child who is blind so that the child gains light perception, or showing large-print words to even a child who is unable to speak, giving the child the opportunity to learn to read.
Alternative therapies and methods of learning by Warren, Jennifer / The Exceptional Parent
The pars tensa is intact, and there is a good light reflex at the center of the photograph.
Cholesteatoma with an intact tympanic membrane by Deguine, Christian / Ear, Nose and Throat Journal
 
 
 
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