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Related Experiment Video

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Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

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Lithium-induced downbeat nystagmus.

Flora Schein¹, Pierre Manoli², Pascal Cathébras¹

¹Internal Medicine, University Hospital of Saint-Etienne, France.

American Journal of Ophthalmology Case Reports

|December 21, 2017

Summary

This summary is machine-generated.

Lithium carbonate, used for bipolar disorder, can cause downbeat nystagmus, an eye movement disorder. Stopping lithium treatment improved vision and resolved the nystagmus in a patient.

Keywords:

Downbeat nystagmus Lithium Optic neuritis

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Area of Science:

Neuro-ophthalmology
Neuroscience
Pharmacology

Background:

Lithium carbonate is a common mood stabilizer for bipolar disorder.
Optic neuritis and nystagmus are potential neurological side effects of medications.
Drug-induced visual disturbances require careful diagnosis and management.

Purpose of the Study:

To report a case of lithium carbonate-induced downbeat nystagmus.
To highlight the association between lithium therapy and visual disturbances.
To emphasize the importance of medication review in neurological presentations.

Main Methods:

A case study of a 76-year-old female patient with bipolar disorder on lithium carbonate.
Clinical observation of suspected optic neuritis and nystagmus.
Assessment of visual acuity and nystagmus before and after lithium discontinuation.

Main Results:

The patient presented with symptoms suggestive of optic neuritis.
Downbeat nystagmus, characteristic of lithium-induced toxicity, was observed.
Discontinuation of lithium carbonate led to significant improvement in visual acuity.
The observed nystagmus resolved completely after stopping lithium therapy.

Conclusions:

Lithium carbonate can induce downbeat nystagmus as a side effect.
Ophthalmological evaluation is crucial in patients on lithium presenting with visual symptoms.
Discontinuation of lithium therapy is an effective treatment for lithium-induced nystagmus.