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Updated: May 26, 2026

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking
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Ocular motor dysfunction in Parry-Romberg syndrome: four cases.

Christina R Prescott1, M Joshua Hasbani, Andrew J Levada

  • 1Department of Ophthalmology and Visual Science, Yale University School of Medicine, New Haven, Connecticut, USA. christina.prescott@gmail.com

Journal of Pediatric Ophthalmology and Strabismus
|December 14, 2011
PubMed
Summary

Parry-Romberg syndrome (PRS) can cause varied eye movement issues and facial changes, often delaying diagnosis. Muscle fibrosis, not nerve damage, likely explains these complex ophthalmic symptoms in PRS patients.

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Area of Science:

  • Ophthalmology
  • Neurology
  • Genetics

Background:

  • Parry-Romberg syndrome (PRS) is a rare disorder characterized by progressive hemifacial atrophy.
  • Ophthalmic manifestations in PRS are diverse and can complicate diagnosis.

Observation:

  • Four patients with PRS presented with distinct ophthalmic abnormalities, including abnormal eye movements, ptosis, and facial hemiatrophy.
  • Diagnostic delays were common, necessitating extensive imaging before PRS was identified.
  • Specific cases involved lateral rectus paresis, medial rectus weakness, dry eye, hemifacial atrophy, enophthalmos, and restricted up gaze.

Findings:

  • The ocular motor defects observed in these patients are best attributed to muscle fibrosis.
  • The variability of ophthalmic signs underscores the diagnostic challenges associated with PRS.

Implications:

  • Recognizing the spectrum of ophthalmic findings is crucial for timely PRS diagnosis.
  • Understanding the role of muscle fibrosis may guide future therapeutic strategies for PRS-related ocular motility disorders.