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Related Concept Videos

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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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

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Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
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Angle Closure Glaucoma: Treatment01:28

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Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

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An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:
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Intraocular endoscopy: A review.

Vivek Pravin Dave1, Mudit Tyagi1, Raja Narayanan1

  • 1Smt. Kanuri Santhamma Center for Vitreoretinal Diseases, Kallam Anji Reddy Campus, LV Prasad Eye Institute, Hyderabad, Telangana, India.

Indian Journal of Ophthalmology
|December 16, 2020
PubMed
Summary
This summary is machine-generated.

Endoscopic visualization offers a unique solution for challenging vitreoretinal surgery, improving visualization through opaque media for better diagnosis and treatment of posterior segment pathologies.

Keywords:
Diagnostic endoscopyendoscopic visualizationendoscopic vitrectomyendoscopyintraocular endoscopy

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Area of Science:

  • Ophthalmology
  • Surgical Technology
  • Medical Imaging

Background:

  • Optimal visualization remains a significant challenge in vitreoretinal surgery.
  • Conventional microscopy can be limited by opaque anterior segment media, hindering posterior visualization.
  • Endoscopic visualization provides an adjunctive approach to overcome these limitations.

Purpose of the Study:

  • To review the utility of the intraocular endoscope in vitreoretinal surgery.
  • To highlight the diagnostic and therapeutic applications of endoscopy in various ocular pathologies.
  • To discuss the advantages of endoscopic visualization over conventional microscopic techniques.

Main Methods:

  • Review of existing literature on intraocular endoscopy in ophthalmic surgery.
  • Analysis of the optical principles and capabilities of endoscopic visualization systems.
  • Summarization of clinical applications across a spectrum of ocular diseases.

Main Results:

  • Endoscopic visualization bypasses anterior segment opacities, enabling direct access to posterior segment pathology.
  • It facilitates visualization of difficult-to-access structures like retroirideal and retrolental regions.
  • Endoscopy simplifies surgical access to anterior ocular anatomy such as the pars plana and ciliary body.

Conclusions:

  • Intraocular endoscopy is a valuable tool in microincision vitreoretinal surgery.
  • Its unique optical properties enable approaches not possible with standard microscopy.
  • Endoscopy serves as a crucial diagnostic and therapeutic armamentarium for diverse ocular conditions.