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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

670
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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Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
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Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

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Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
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Related Experiment Video

Updated: Aug 9, 2025

DTI of the Visual Pathway - White Matter Tracts and Cerebral Lesions
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Application of diffusion tensor imaging technology in glaucoma diagnosis.

Jiaqi Wang1, Yaqiong Zhang1, Xueyu Meng1

  • 1Department of Ophthalmology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei, China.

Frontiers in Neuroscience
|February 23, 2023
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Glaucoma causes irreversible blindness by damaging retinal cells. Diffusion tensor imaging (DTI) offers a new MRI method to study glaucoma

Keywords:
OCTOCTAdiffusion tensor imagingglaucomavisual field

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Radiology

Background:

  • Glaucoma is a leading cause of irreversible blindness globally.
  • It involves the death of retinal ganglion cells and axonal damage, affecting the visual pathway.
  • Degenerative lesions in glaucoma can extend beyond the visual pathway.

Purpose of the Study:

  • To review standard glaucoma diagnostic techniques.
  • To describe the application of Diffusion Tensor Imaging (DTI) in glaucoma research.
  • To introduce DTI as a potential tool for understanding glaucoma's degenerative characteristics.

Main Methods:

  • Literature review of standard glaucoma diagnostic methods.
  • Review of Diffusion Tensor Imaging (DTI) applications in human and animal glaucoma models.
  • Discussion of DTI technology and its relevance to glaucoma.

Main Results:

  • Standard diagnostic techniques for glaucoma are discussed.
  • DTI is shown to be capable of investigating the entire visual system, including the optic nerve and brain pathways.
  • DTI can detect alterations associated with glaucoma.

Conclusions:

  • DTI is a valuable MRI technique for studying the visual system in glaucoma.
  • Advancements in DTI, coupled with artificial intelligence, hold significant potential for future glaucoma research.
  • DTI may provide a more comprehensive understanding of glaucoma's degenerative nature.