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Chapter: Ophthalmology: Pupil

Isocoria with Dilated Pupils

Parinaud’s Oculoglandular Syndrome - Causes: Tumors such as pineal gland tumors that selectively damage fibersbetween the pretectal nuclei and the Edinger-Westphal nucleus.

Isocoria with Dilated Pupils



Parinaud’s Oculoglandular Syndrome

Causes: 

Tumors such as pineal gland tumors that selectively damage fibersbetween the pretectal nuclei and the Edinger-Westphal nucleus.

Diagnostic considerations:

Fixed dilated pupils that do not respond to light.

Normal near reflex.

Limited upward gaze (due to damage to the vertical gaze center) and retraction nystagmus.

Intoxication

Causes: 

Atropine, spasmolytic agents, anti-parkinson agents, antidepres-sants, botulism (very rare but important), carbon monoxide, cocaine.

Disorders

Migraine.

Schizophrenia.

Hyperthyreosis.

Hysteria.

Epileptic seizure.

Increased sympathetic tone (Bumke’s anxiety pupils).

Coma.

  Agony.

 

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Ophthalmology: Pupil : Isocoria with Dilated Pupils |


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