Orthophoria

With orthophoria an ideal is called position of visual axes of both eyes with each other. Orthophoria is present if, after the two-eyed vision has been interrupted (e.g. by covering one eye with the flat of the hand or the masking test ), the facial lines of both eyes remain directed towards an object to be fixed. In contrast, there is heterophoria if, in this situation, there is a deviation from a relative position of rest and a common viewing direction. Since this is the case with almost everyone, orthophoria represents an ideal state (rarely achieved).

literature

• Herbert Kaufmann: Strabismus . With the collaboration of W. de Decker et al., Stuttgart: Enke, 1986, ISBN 3-432-95391-7

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