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A hyperbola is a conic section produced when a double-napped cone is intersected by a plane at an angle steeper than the slope of the cone, such that it cuts through both nappes. This intersection yields two separate, mirror-image curves known as branches, which open away from each other along the transverse axis. The nearest points on each branch to the hyperbola’s center are termed vertices, and the distance from the center to a vertex is denoted by a. Perpendicular to the transverse...
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Hypertelorism.

Ramesh K Sharma1

  • 1Department of Plastic Surgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India.

Indian Journal of Plastic Surgery : Official Publication of the Association of Plastic Surgeons of India
|January 17, 2015
PubMed
Summary
This summary is machine-generated.

Orbital hypertelorism (ORH) is a craniofacial condition characterized by widely spaced orbits. Surgical correction, typically orbital translocation or facial bipartition, aims to reposition orbits for aesthetic improvement.

Keywords:
Box osteotomycranial bone graftfacial bipartitionintra-cranial and extra-cranial procedurelateralization of orbitorbital sockettelecanthus or pseudo-hypertelorismvertical dystopia

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Area of Science:

  • Craniofacial surgery
  • Pediatric plastic surgery
  • Ophthalmology

Background:

  • Orbital hypertelorism (ORH) is a congenital or acquired condition characterized by increased interorbital distance.
  • It can present unilaterally or bilaterally, symmetrically or asymmetrically, often associated with other craniofacial anomalies.
  • Management decisions are influenced by the underlying etiology and the need for aesthetic correction.

Purpose of the Study:

  • To provide a comprehensive overview of orbital hypertelorism (ORH).
  • To discuss the classification, presentation, and diagnostic considerations.
  • To detail surgical treatment options, timing, and procedural choices.

Main Methods:

  • Review of literature on orbital hypertelorism.
  • Discussion of surgical techniques including orbital translocation and facial bipartition.
  • Analysis of factors influencing surgical decision-making.

Main Results:

  • Treatment focuses on medial orbital repositioning for aesthetic enhancement.
  • Differentiating true ORH from telecanthus is crucial due to differing management strategies.
  • Surgical outcomes depend on the chosen technique and underlying condition.

Conclusions:

  • Effective management of ORH requires careful consideration of etiology, classification, and patient-specific factors.
  • Surgical intervention, while complex, can significantly improve aesthetic outcomes.
  • Distinguishing ORH from telecanthus is essential for appropriate surgical planning and execution.