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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

648
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...
648
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

504
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...
504
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

587
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...
587
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

6.2K
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,...
6.2K

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Related Experiment Video

Updated: Aug 1, 2025

Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation
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Glaucoma and Systemic Disease.

Eugene Hsu1, Manishi Desai1

  • 1Department of Ophthalmology, Boston University School of Medicine, 85 East Concord Street, 8th Floor, Boston, MA 02118, USA.

Life (Basel, Switzerland)
|April 28, 2023
PubMed
Summary

Systemic conditions and their treatments can increase the risk of developing glaucoma, a leading cause of irreversible blindness. Early detection through ocular exams and multidisciplinary care is crucial to prevent vision loss.

Keywords:
acute angle closure glaucomaclosed-angle glaucomaglaucomaopen-angle glaucomaophthalmologysystemic disease

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Laser Capture Microdissection of Highly Pure Trabecular Meshwork from Mouse Eyes for Gene Expression Analysis
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Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
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Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
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Area of Science:

  • Ophthalmology
  • Internal Medicine
  • Pharmacology

Background:

  • Glaucoma is a primary cause of irreversible blindness globally.
  • Understanding systemic condition associations is vital for preventing vision loss.
  • Existing literature requires updated synthesis on glaucoma risk factors.

Purpose of the Study:

  • To review and discuss systemic diseases and their impact on glaucoma development.
  • To elucidate the mechanisms and risk factors linking systemic conditions to glaucoma.
  • To emphasize the importance of integrated patient care for glaucoma prevention.

Main Methods:

  • Comprehensive literature review of systemic conditions and glaucoma.
  • Analysis of pharmacologically induced, inflammatory, autoimmune, and infectious causes.
  • Examination of dermatologic, cardiovascular, pulmonary, renal, urologic, neurologic, and psychiatric associations.
  • Inclusion of systemic malignancies, intraocular tumors, pediatric, and genetic factors.

Main Results:

  • Numerous systemic diseases and treatments are linked to increased glaucoma risk.
  • Mechanisms vary widely, involving inflammation, drug side effects, and physiological changes.
  • Specific conditions like autoimmune disorders and certain medications are highlighted.
  • Pediatric and genetic factors also play a significant role in glaucoma etiology.

Conclusions:

  • Systemic conditions represent a significant, often overlooked, risk for glaucoma.
  • Multidisciplinary collaboration and regular ocular examinations are essential for early detection.
  • Proactive management of systemic health can mitigate glaucoma progression and prevent blindness.