Related Experiment Video
Updated: Feb 16, 2026
09:11
Assessment of Global Ocular Structure Following Spaceflight Using a Micro-Computed Tomography Micro-CT Imaging Method
Published on: October 27, 2020
6.1K
Computed Tomographic Analysis of the Sagittal Orbit-globe Relationship
Zachary R Abramson1, Srinivas M Susarla2, Anand R Kumar3
1Department of Radiology, University of Tennessee Health Science Center, Memphis, TN, USA.
Annals of Maxillofacial Surgery
|December 22, 2017
Summary
Accurately measuring the orbit-globe relationship is vital for planning craniofacial surgery. This study presents a CT-based method for precise measurement, ideal for pediatric patients.
Area of Science:
- Craniofacial Surgery
- Medical Imaging
- Ophthalmology
Background:
- Accurate assessment of the orbit-globe relationship is crucial for surgical planning in craniofacial deformities.
- Existing methods may require patient cooperation, limiting their use in pediatric cases.
Purpose of the Study:
- To present a computed tomography (CT)-based technical proof of principle for measuring the sagittal orbit-globe relationship.
- To establish the mathematical basis for this novel measurement technique.
Main Methods:
- Development of a CT-based measurement technique for the sagittal orbit-globe relationship.
- The method is designed to be independent of subject cooperation.
Main Results:
- Demonstration of a technical proof of principle for the CT-based measurement.
- Establishment of the mathematical framework for quantifying the orbit-globe relationship.
Conclusions:
- The described CT-based technique provides a reliable method for assessing the sagittal orbit-globe relationship.
- This non-cooperative technique is optimal for pediatric craniofacial surgical treatment planning and outcome evaluation.
Related Concept Videos
01:27Imaging Studies III: Computed Tomography
420
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
420
01:10Computed Tomography
9.0K
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
9.0K
01:20Anatomy of the Eyeball
10.0K
The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle...
10.0K
01:17Accessory Structures of the Eye
3.9K
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...
3.9K
01:14Imaging Studies I: CT and MRI
945
Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
945
01:29Positron Emission Tomography
7.7K
Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
7.7K