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adjustment, especially adjustment of the eye for seeing objects at various distances. This is accomplished by the ciliary muscle, which controls the lens of the eye, allowing it to flatten or thicken as is needed for distant or near vision.
absolute accommodation the accommodation of either eye separately.
amplitude of accommodation range of accommodation.
histologic accommodation changes in morphology and function of cells following changed conditions.
negative accommodation adjustment of the eye for long distances by relaxation of the ciliary muscle.
positive accommodation adjustment of the eye for short distances by contraction of the ciliary muscle.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
the decrease of accommodation that occurs when shifting from near vision to distance vision.
Farlex Partner Medical Dictionary © Farlex 2012
neg·a·tive ac·com·mo·da·tion(neg'ă-tiv ă-kom'ŏ-dā'shŭn)
The decrease of accommodation that occurs when shifting from near vision to distance vision.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Relaxation of the ciliary muscle to adjust for distant vision.
See also: accommodation
Medical Dictionary, © 2009 Farlex and Partners