Difference between revisions of Accommodation

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Accommodation is the ability of the healthy eye to focus on both near and far objects.  The relaxed state of the [[ciliary muscle]] is distance vision, and the flexed state is near vision.   
'''Accommodation''' is the ability of the healthy eye to focus on both near and far objects.  The relaxed state of the [[ciliary muscle]] is distance vision, and the flexed state is near vision.   


=Presbyopia=
Children start out with a lot of accommodative power (about 25 D). As you age, the lens in your eye becomes less flexible, resulting in less accommodative power, which is called [[presbyopia]], especially if it is less than 2.5 D (40 cm through distance correction).
As you age, the lens in your eye becomes less flexible.  This makes accommodation more difficult and brings on "arms are not long enough to read" symptoms.  Someone may be both [[myopic]] and presbyopic, and have deficits to both near and far vision. Your [[Full Prescription]] will have an "Add" section specifying bifocals or multifocals if you have diagnosed presbyopia, or if your doctor thinks it best to reduce eye strain.
 
==References==
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[[Category:Articles]]

Latest revision as of 00:04, 25 July 2023

Accommodation is the ability of the healthy eye to focus on both near and far objects. The relaxed state of the ciliary muscle is distance vision, and the flexed state is near vision.

Children start out with a lot of accommodative power (about 25 D). As you age, the lens in your eye becomes less flexible, resulting in less accommodative power, which is called presbyopia, especially if it is less than 2.5 D (40 cm through distance correction).

References