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Related Experiment Video

Updated: Jun 6, 2026

Correction of Presbyopia by Monocular Bi-Aspheric Ablation Profile
05:46

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Published on: September 20, 2024

Inferior rectus aplasia simulating contralateral monocular elevation deficiency.

Jae Min Kim1, Jae Hyoung Kim, Jeong-Min Hwang

  • 1Department of Ophthalmology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.

Journal of Pediatric Ophthalmology and Strabismus
|December 17, 2010
PubMed
Summary
This summary is machine-generated.

Inferior rectus agenesis, a rare cause of vertical strabismus, can present as a contralateral elevation deficit. Magnetic resonance imaging is crucial for diagnosing this condition, often missed in initial evaluations.

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Area of Science:

  • Ophthalmology
  • Pediatric Ophthalmology
  • Neuro-ophthalmology

Background:

  • Vertical strabismus is a common pediatric condition.
  • Inferior rectus agenesis is a rare congenital anomaly of extraocular muscles.
  • This condition is infrequently considered in the differential diagnosis of vertical strabismus.

Observation:

  • An infant presented with monocular elevation deficiency.
  • The primary clinical suspicion was a condition affecting the ipsilateral eye.
  • Detailed examination revealed an unexpected finding.

Findings:

  • Magnetic resonance imaging (MRI) confirmed contralateral inferior rectus agenesis.
  • The agenesis of the inferior rectus muscle in the opposite eye was the cause of the observed elevation deficit.
  • This highlights an atypical presentation of inferior rectus agenesis.

Implications:

  • Inferior rectus agenesis should be included in the differential diagnosis of vertical strabismus, even with atypical presentations.
  • Comprehensive ocular motility assessment is vital.
  • Advanced imaging, such as MRI, is essential for accurate diagnosis and management planning.