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Related Concept Videos

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.
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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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Related Experiment Video

Updated: Aug 18, 2025

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
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Ophthalmic Fluorescein Angiography.

Divin O Baddam1, Sara D Ragi2, Stephen H Tsang3

  • 1Department of Ophthalmology, New York-Presbyterian Hospital, New York, NY, USA. divin.r.baddam@gmail.com.

Methods in Molecular Biology (Clifton, N.J.)
|December 9, 2022
PubMed
Summary

Fluorescein angiography (FA) is a key diagnostic tool for retinal and choroidal diseases. This imaging technique uses sodium fluorescein dye to visualize blood vessel circulation, aiding in disease diagnosis.

Keywords:
ChoroidFluorescein angiographyInvasive procedureMacular degenerationOphthalmic imaging

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Area of Science:

  • Ophthalmology
  • Medical Imaging

Background:

  • Fluorescein angiography (FA) has been a cornerstone diagnostic method since the 1960s.
  • It is essential for evaluating retinal and choroidal circulatory systems.

Purpose of the Study:

  • To detail the methodology of fluorescein angiography.
  • To highlight its role in diagnosing diverse retinal and choroidal conditions.

Main Methods:

  • Acquisition of fundus images using sodium fluorescein dye as a contrast agent.
  • Examination of retinal and choroidal vasculature.

Main Results:

  • The described methodology enables detailed visualization of ocular vasculature.
  • Successful application in diagnosing a broad spectrum of diseases affecting the retina and choroid.

Conclusions:

  • Fluorescein angiography remains a vital and reliable imaging modality.
  • It provides critical insights for diagnosing numerous retinal and choroidal disorders.