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. 
accommodation [ah-kom″ah-da´shun]
)
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.
| positive accommodation n. Accommodation for near vision by contraction of the ciliary muscles of the eye. |
accommodation [ah-kom″ah-da´shun]
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. 
Flattening and rounding of lens during accommodation.
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.
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