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Related Concept Videos

Overview of Microscopy Techniques01:22

Overview of Microscopy Techniques

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The early pioneers of microscopy opened a window into the invisible world of microorganisms. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes that leveraged nonvisible light, such as fluorescence microscopy that uses an ultraviolet light source and electron microscopy that uses short-wavelength electron beams. These advances significantly improved magnification, image resolution, and contrast. By comparison, the...
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Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

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Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...
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Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...
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Overview of Electron Microscopy01:25

Overview of Electron Microscopy

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The wavelengths of visible light ultimately limit the maximum theoretical resolution of images created by light microscopes. Most light microscopes can only magnify 1000X, and a few can magnify up to 1500X. Electrons, like electromagnetic radiation, can behave like waves, but with wavelengths of 0.005 nm, they produce significantly greater resolution up to 0.05 nm as compared to 500 nm for visible light. An electron microscope (EM) can create a sharp image that is magnified up to 2,000,000X.
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Related Experiment Video

Updated: Mar 2, 2026

Optical Screening of Novel Bacteria-specific Probes on Ex Vivo Human Lung Tissue by Confocal Laser Endomicroscopy
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Optical Screening of Novel Bacteria-specific Probes on Ex Vivo Human Lung Tissue by Confocal Laser Endomicroscopy

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From Exoscope into the Next Generation.

Kenichi Nishiyama1

  • 1Department of Neurosurgery, Center for Neurological Diseases, Niigata Medical Center, Niigata, Japan.

Journal of Korean Neurosurgical Society
|May 12, 2017
PubMed
Summary

Exoscopes offer a wide field of view for microsurgery, but lack magnification. Novel 3D exoscopes enhance visualization and precision for next-generation digital neurosurgery.

Area of Science:

  • Neurosurgery
  • Surgical Technology
  • Medical Imaging

Background:

  • Exoscopes are emerging as an alternative to operating microscopes in microsurgery.
  • They provide a wide field of view and deep focus, reducing the need for repositioning.
  • A key limitation of current exoscopes is reduced magnification capability.

Purpose of the Study:

  • To evaluate the potential of exoscopes as a microsurgical tool.
  • To highlight the limitations of 2D visualization in exoscope-assisted procedures.
  • To introduce advancements in 3D exoscope technology for improved surgical performance.

Main Methods:

  • Review of exoscope technology and its application in microsurgery.
  • Analysis of visual perception and stereopsis in 2D versus 3D surgical viewing.
Keywords:
3D endoscopeDigital imageExoscopeNeuroendoscopeSurgical technology

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  • Discussion of recent innovations in 3D high-definition operating scopes.

    • Main Results:

    • Exoscopes offer advantages in field of view and focus depth.
    • 2D imaging with exoscopes can limit hand-eye coordination for precise tasks.
    • Development of novel 3D exoscopes addresses magnification and stereoscopic viewing limitations.

    Conclusions:

    • 3D high-definition exoscopes represent a significant advancement in digital surgical technology.
    • These novel systems are poised to become the next generation of imaging for neurosurgery.
    • Further development in digital imaging will enhance precision and outcomes in minimally invasive procedures.