Accommodative convergence
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Accommodative Convergence
Accommodative convergence (/əˌkɒməˈdeɪtɪv kənˈvɜːdʒəns/) is a type of eye movement that occurs when the eyes move inward to maintain single binocular vision as the gaze is shifted to a near object. It is a component of the near response.
Etymology
The term "accommodative convergence" is derived from the Latin words "accommodare" which means "to adjust" and "convergere" which means "to incline together".
Related Terms
- Convergence Insufficiency: A condition characterized by the inability to maintain proper binocular eye alignment during close work.
- Convergence Excess: A condition where the eyes tend to turn inward more than necessary when focusing on a near object.
- Accommodation (eye): The process by which the vertebrate eye changes optical power to maintain a clear image or focus on an object as its distance varies.
- Fusional Convergence: The ability of the eyes to turn inward towards each other to maintain single binocular vision as the gaze is shifted to a near object.
See Also
References
External links
- Medical encyclopedia article on Accommodative convergence
- Wikipedia's article - Accommodative convergence
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