Changes

==Etymology==

==Etymology==

[[Latin]] accommodatus, past participle of accommodare,  from ad- + commodare to make fit, from commodus  suitable

[[Latin]] accommodatus, past participle of accommodare,  from ad- + commodare to make fit, from commodus  suitable

*Date: [http://www.wikipedia.org/wiki/16th_Century 1550]

*Date: [https://www.wikipedia.org/wiki/16th_Century 1550]

==Definitions==

==Definitions==

:transitive verb  

:transitive verb  

Most commonly, '''accommodation''' (in British usage) or accommodations (in American usage) refers to lodging in a dwelling or similar living quarters afforded to [[travel]]ers in hotels or on cruise ships, or prisoners, etc.

Most commonly, '''accommodation''' (in British usage) or accommodations (in American usage) refers to lodging in a dwelling or similar living quarters afforded to [[travel]]ers in hotels or on cruise ships, or prisoners, etc.

It also refers to the [[process]] by which the vertebrate [http://en.wikipedia.org/wiki/Eye eye]  [[changes]] [http://en.wikipedia.org/wiki/Optical_power optical power] to maintain a clear image ([[focus]]) on an object as its distance changes.

It also refers to the [[process]] by which the vertebrate [https://en.wikipedia.org/wiki/Eye eye]  [[changes]] [https://en.wikipedia.org/wiki/Optical_power optical power] to maintain a clear image ([[focus]]) on an object as its distance changes.

Accommodation acts like a reflex, but can also be [[consciously]] [[control]]led. Mammals, birds and reptiles vary the [http://en.wikipedia.org/wiki/Optical_power optical power] by changing the form of the elastic lens using the [http://en.wikipedia.org/wiki/Ciliary_body ciliary body] (in [[humans]] up to 15 diopters). Fish and amphibians vary the [[power]] by changing the distance between a rigid lens and the retina with muscles.

Accommodation acts like a reflex, but can also be [[consciously]] [[control]]led. Mammals, birds and reptiles vary the [https://en.wikipedia.org/wiki/Optical_power optical power] by changing the form of the elastic lens using the [https://en.wikipedia.org/wiki/Ciliary_body ciliary body] (in [[humans]] up to 15 diopters). Fish and amphibians vary the [[power]] by changing the distance between a rigid lens and the retina with muscles.

It is [[normally]] accompanied by a [[convergence]] of the eyes to keep them directed at the same point, sometimes termed accommodation convergence reflex.[http://en.wikipedia.org/wiki/Accommodation_%28eye%29]

It is [[normally]] accompanied by a [[convergence]] of the eyes to keep them directed at the same point, sometimes termed accommodation convergence reflex.[https://en.wikipedia.org/wiki/Accommodation_%28eye%29]

==See also==

==See also==

*'''''[[Condescension]]'''''

*'''''[[Condescension]]'''''

[[Category: General Reference]]

[[Category: General Reference]]