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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

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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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Human Genetics01:28

Human Genetics

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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
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Overview
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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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Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

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Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
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Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

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At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
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Characterization of the aqueous humor microbiome in Posner-Schlossman syndrome: an exploratory metagenomic sequencing study.

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Related Experiment Video

Updated: Jul 12, 2025

Laser Capture Microdissection of Highly Pure Trabecular Meshwork from Mouse Eyes for Gene Expression Analysis
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Understanding the complex genetics and molecular mechanisms underlying glaucoma.

Weiwei Wang1, Huaizhou Wang2

  • 1Shaanxi Eye Hospital, Xi'an People's Hospital (Xi'an Fourth Hospital), Affiliated People's Hospital, Northwest University, Xi'an, 710004, Shaanxi Province, China.

Molecular Aspects of Medicine
|October 19, 2023
PubMed
Summary

Glaucoma causes irreversible blindness globally. Early detection and understanding its diverse causes, including genetics, are crucial for developing new treatments and preventing vision loss.

Keywords:
GeneticsGlaucomaIntraocular pressureMitochondriaOptic nerve

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Area of Science:

  • Ophthalmology
  • Genetics
  • Molecular Biology

Background:

  • Glaucoma is a leading cause of irreversible blindness worldwide.
  • Current treatments focus on reducing intraocular pressure to slow disease progression.
  • Some glaucoma cases occur without elevated intraocular pressure, indicating diverse underlying mechanisms.

Purpose of the Study:

  • To review the latest research on glaucoma.
  • To explore the genetics and molecular basis of glaucoma.
  • To highlight the importance of early detection and understanding diverse risk factors for novel treatments.

Main Methods:

  • Literature review of recent glaucoma research.
  • Analysis of genetic and molecular studies.
  • Synthesis of information on risk factors, mechanisms, and pathology.

Main Results:

  • Glaucoma has multiple subtypes and is influenced by various mechanisms beyond intraocular pressure.
  • Genetic and molecular factors play a significant role in glaucoma development.
  • Identifying at-risk individuals and early-stage glaucoma is key for timely intervention.

Conclusions:

  • A comprehensive understanding of glaucoma's genetic and molecular underpinnings is essential.
  • Further research into diverse mechanisms may lead to novel therapeutic strategies.
  • Early diagnosis and personalized treatment approaches are critical for managing glaucoma and preventing blindness.