Editing Depth perception (section)

=== Accommodation ===
{{main|Accommodation (eye)}}
Accommodation is an oculomotor cue for depth perception. When humans try to focus on distant objects, the [[ciliary muscles]] relax, allowing the eye lens to become thinner, which increases the [[focal length]]. Depth perception of distant objects is made possible by other methods besides accommodation. The [[Proprioception|kinesthetic sensations]] of the contracting and relaxing ciliary muscles (intraocular muscles) are sent to the visual cortex where they are used for interpreting distance and depth. Accommodation is only effective for distances less than 2 meters.

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