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Related Concept Videos

Accessory Structures of the Eye01:17

Accessory Structures of the Eye

Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
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Increased intracranial pressure (ICP) refers to a potentially life-threatening rise in pressure inside the skull. This usually happens when there is a major change in the volume of brain tissue, blood, or cerebrospinal fluid (CSF) — the three components inside the skull. According to the Monro-Kellie doctrine, if the volume of one component increases, the volumes of the other components must decrease to maintain normal pressure. If this does not happen, ICP rises.The process often begins with...
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Related Experiment Video

Updated: Jun 18, 2026

Three-Dimensional Reconstruction of Orbital Fractures
08:18

Three-Dimensional Reconstruction of Orbital Fractures

Published on: May 16, 2025

Lateral wall orbital decompression in Graves' orbitopathy.

S Sellari-Franceschini1, R Lenzi, A Santoro

  • 1Unit of Otorhinolaryngology, Department of Neuroscience, University of Pisa, Pisa, Italy.

International Journal of Oral and Maxillofacial Surgery
|November 17, 2009
PubMed
Summary
This summary is machine-generated.

Lateral wall orbital decompression effectively reduces proptosis. This safe surgical approach for orbital decompression is recommended as a first choice when feasible, minimizing postoperative diplopia.

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Application of Deep Learning-Based Medical Image Segmentation via Orbital Computed Tomography
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Area of Science:

  • Ophthalmology
  • Neurosurgery
  • Plastic Surgery

Background:

  • Orbital decompression surgery aims to reduce proptosis for rehabilitative reasons.
  • Various surgical techniques exist, but no consensus on the optimal approach has been established.
  • Postoperative diplopia is a common complication following orbital decompression.

Purpose of the Study:

  • To evaluate the efficacy and safety of lateral wall orbital decompression.
  • To assess proptosis reduction and the incidence of new-onset diplopia after the procedure.

Main Methods:

  • Retrospective analysis of 39 patients (72 orbits) undergoing lateral wall orbital decompression.
  • Preoperative and postoperative Hertel exophthalmometry measurements were recorded.
  • Complication rates, specifically new-onset diplopia, were documented.

Main Results:

  • Mean proptosis reduction was 4.5 mm (from 22.8 mm to 18.2 mm).
  • New-onset diplopia occurred in 8% of patients (3 out of 39).
  • The overall complication rate was low, indicating a safe and well-tolerated procedure.

Conclusions:

  • Lateral wall orbital decompression is an effective and safe method for reducing proptosis.
  • It is recommended as a primary surgical option when a single-wall approach is suitable.
  • The procedure demonstrates a favorable balance between proptosis reduction and the risk of postoperative diplopia.