A Center for Ocular Divergence: Does it Exist?*

Scobee, Richard G.; Green, Earl L.

doi:10.1016/0002-9394(46)90525-9

Cited by 16 publications

(1 citation statement)

References 11 publications

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“…1 Although controversial, many deem divergence palsy to be the result of trauma localized to a cortical center for divergence. 2,3 The concept of divergence insufficiency and divergence paralysis as separate entities or simply a variation in severity of the same disorder is also disputed. 4 Such arguments lead to confusion of semantics surrounding divergence insufficiency and divergence paralysis.…”

Section: Divergence Insufficiencymentioning

confidence: 99%

Divergence Insufficiency

Berscheid

2005

American Orthoptic Journal

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The majority of patients were classified as primary divergence insufficiency. Though this form of divergence insufficiency is neurologically benign, it may easily mask a more severe neurologic condition for which the presenting symptom is also diplopia for distance viewing only. These results show the importance of obtaining a detailed history regarding the symptoms, as well as documenting neurologic signs, particularly nystagmus, when investigating divergence insufficiency.

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Section: Divergence Insufficiencymentioning

confidence: 99%

Divergence Insufficiency

Berscheid

2005

American Orthoptic Journal

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Divergence Paralysis With Increased Intracranial Pressure

Chamlin¹

1951

AMA Arch Ophthalmol

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Vergence eye movements

Toates

1974

Doc Ophthalmol

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The extensive and scattered literature on vergence eye movements is reviewed. Topics covered include the neural innervation to vergence, active versus passive divergence, muscular control, the accuracy of vergence, the interaction from vergence to accommodation, the independence of vergence and version, the sharing of responsibility with other eye movement controllers, the anatomical and physiological resting point, prediction and learning, drug effects, and the stimuli to vergence, i.e. fusion, accommodation and proximity.Results from ophthahnology, physiology, as well as bioengineering are discussed, using control systems theory as a tool for description and explanation. It is argued that in this area the systems approach is the most appropriate method for interpreting experimental results. Finally, a model that attempts to integrate the results into a theory of vergence is proposed. On the one hand the model suggests possible explanations. On the other, where the model is inadequate it serves to direct attention either to modifications of the theory or to areas where further experimentation is indicated.

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A Center for Ocular Divergence: Does it Exist?*

Cited by 16 publications

References 11 publications

Divergence Insufficiency

Divergence Insufficiency

Divergence Paralysis With Increased Intracranial Pressure

Vergence eye movements

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