Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

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...
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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...
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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...
Diabetic Retinopathy01:27

Diabetic Retinopathy

DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Comment on: Accuracy of thick and thin intraocular lens power formulas using paraxial vergence calculation.

Journal of cataract and refractive surgery·2025
Same author

Influence of Crosslinking on Astigmatism Vector in Keratoconus: A Vector Analysis.

Ophthalmology and therapy·2025
Same author

[Basic aspects of IOL calculation].

Die Ophthalmologie·2024
Same author

Accuracy comparison of tomography devices for ray tracing-based intraocular lens calculation.

Journal of cataract and refractive surgery·2023
Same author

Distribution and causes of blindness and severe visual impairment in children at a tertiary referral centre in Rwanda.

The British journal of ophthalmology·2023
Same author

A comparison of patient and parental experiences and diagnostic quality of suprapubic versus transurethral voiding cystourethrogram in children.

Minerva pediatrics·2022
Same journal

Postoperative rotational stability of the toric intraocular lens in phacovitrectomy with and without gas tamponade.

Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie·2026
Same journal

Surgical management of vitreoretinal complications in X-linked retinoschisis: long-term outcomes in a pediatric population.

Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie·2026
Same journal

Impact of image enhancement on grading agreement of plus disease features in retinopathy of prematurity.

Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie·2026
Same journal

Association between angiogenic features and responsiveness to faricimab in treatment-naïve neovascular age-related macular degeneration with OCT angiography.

Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie·2026
Same journal

Switching to aflibercept 8 mg in neovascular age-related macular degeneration: real-world outcomes according to switch indication.

Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie·2026
Same journal

Correction of aphakia using biometry-based contact lens calculation in pediatric cataract extraction: introducing the aphakic contact lens formula.

Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie·2026
See all related articles

Related Experiment Video

Updated: Jun 20, 2026

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
07:11

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Published on: May 25, 2020

Glaucoma screening in Western Cameroon.

Paul-Rolf Preussner1, Allegra Grossmann, Faustin Ngounou

  • 1University Eye Hospital, Langenbeckstr. 1, 55101 Mainz, Germany. pr.preussner@uni-mainz.de

Graefe'S Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Fur Klinische Und Experimentelle Ophthalmologie
|August 25, 2009
PubMed
Summary
This summary is machine-generated.

Glaucoma prevalence is significantly higher in a rural African population compared to Europe. This study quantified glaucoma parameters, finding increased cup-disk ratios and intraocular pressure with age.

More Related Videos

Ultrasound Cyclo Plasty in Eyes with Glaucoma
05:05

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Published on: January 26, 2018

Related Experiment Videos

Last Updated: Jun 20, 2026

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
07:11

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Published on: May 25, 2020

Ultrasound Cyclo Plasty in Eyes with Glaucoma
05:05

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Published on: January 26, 2018

Area of Science:

  • Ophthalmology
  • Public Health
  • Epidemiology

Background:

  • Glaucoma is a leading cause of irreversible blindness globally.
  • Understanding glaucoma prevalence in diverse populations is crucial for targeted interventions.

Purpose of the Study:

  • To quantify glaucoma-related parameters in a rural African population.
  • To assess the prevalence of glaucoma in a Cameroonian village setting.

Main Methods:

  • Population-based study of 635 individuals using slit-lamp examination and Goldmann applanation tonometry.
  • Optic nerve head (ONH) parameters, including cup-disk ratio (CDR) and ISNT rule violations, were evaluated.
  • Age-specific and age-corrected prevalence rates were calculated.

Main Results:

  • Cup-disk ratio (CDR) and intraocular pressure (IOP) increased significantly with age.
  • 13.4% of eyes exceeded an area CDR of 0.5.
  • The age-corrected prevalence of glaucoma was 8.2%, with nearly an order of magnitude higher prevalence compared to European populations.

Conclusions:

  • Glaucoma prevalence in this rural African population is substantially higher than in European populations.
  • Age is a significant factor in glaucoma parameter progression.
  • Further research is needed to understand the underlying causes and implement effective screening and treatment strategies.