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negative accommodation

   Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
accommodation /ac·com·mo·da·tion/ (ah-kom″ah-da´shun) adjustment, especially of the eye for seeing objects at various distances. Symbol A or a.
Changes during accommodation: (A), contraction of ciliary muscles; (B), approximation of ciliary muscles to lens; (C), relaxation of suspensory ligament; (D), increased curvature of anterior surface of lens.

negative accommodation  adjustment of the eye for long distances by relaxation of the ciliary muscles.
positive accommodation  adjustment of the eye for short distances by contraction of the ciliary muscles.

negative accommodation
n.
Adjustment of the lens for distant vision by relaxation of the ciliary muscles of the eye.


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