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Related Experiment Videos

Monocular involuntary eyelid closure.

D E Jacome1

  • 1Department of Medicine, Franklin Medical Center, Greenfield, MA USA.

Acta Neurologica Scandinavica
|March 10, 1999
PubMed
Summary

Monocular involuntary eyelid closure (MIEC) can occur with eye problems and is distinct from blepharospasm. This condition may not progress to bilateral blepharospasm, differentiating it from MBLS.

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Area of Science:

  • Ophthalmology
  • Neurology

Background:

  • Monocular blepharospasm (MBLS) is typically linked to ipsilateral ocular issues and can become bilateral.
  • Monocular involuntary eyelid closure (MIEC) presents as involuntary eyelid closure in one eye, mimicking MBLS.

Observation:

  • Two patients with visual disturbances experienced MIEC in the affected eye.
  • One patient had hyperthyroidism with polyopia and visual extinction; the other had renal failure with retinal hemorrhage.

Findings:

  • Both patients showed MIEC that was temporarily controllable but recurred with distraction.
  • Brain imaging (MR and CT) and long-term follow-up ruled out blepharospasm (BLS).

Implications:

  • MIEC is a distinct complication of ocular pathology, separate from MBLS.
  • Distinguishing MIEC from MBLS is crucial as MIEC does not always progress to bilateral blepharospasm.

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