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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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Open Angle Glaucoma: Treatment01:27

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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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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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Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
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What are the biomarkers for glaucoma?

Olga Golubnitschaja1, Josef Flammer

  • 1Department of Radiology, University of Bonn, Germany.

Survey of Ophthalmology
|December 6, 2007
PubMed
Summary

Quantitative biomarker analysis in glaucoma shows promise for diagnostics. Measuring gene expression in leukocytes may lead to new screening methods for this eye disease.

Area of Science:

  • Ophthalmology
  • Molecular Biology
  • Biomarker Discovery

Background:

  • Biomarkers indicate normal/pathologic processes or therapeutic response.
  • Glaucoma pathology affects molecular pathways like stress response, apoptosis, and DNA repair.
  • Quantitative expression level analysis is preferred over mutation detection for glaucoma diagnostics.

Purpose of the Study:

  • To explore quantitative biomarker approaches for glaucoma diagnosis.
  • To identify molecular pathways and leukocyte expression alterations in glaucoma.
  • To enable rapid molecular diagnostics and follow-up for glaucoma.

Main Methods:

  • Analyzing molecular pathways affected by glaucoma.
  • Examining expression patterns in circulating leukocytes of glaucoma patients.

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  • Leveraging proteomics and transcriptomics for biomarker development.

    • Main Results:

    • Glaucoma pathology involves specific molecular pathways.
    • Consistent alterations in leukocyte gene expression patterns are observed in glaucoma patients.
    • Quantitative expression level changes are more prevalent than mutations.

    Conclusions:

    • Quantitative biomarker analysis holds potential for glaucoma diagnostics and screening.
    • Leukocyte expression patterns offer a promising avenue for molecular diagnostics.
    • Advanced technologies like proteomics and transcriptomics can drive glaucoma diagnostic innovation.