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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...
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...
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...

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Related Experiment Video

Updated: Jul 6, 2026

Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography
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Update on central retinal artery occlusion.

Ramesh Venkatesh1, Aishwarya Joshi1, Dmitrii Maltsev2

  • 1Department of Vitreo-retinal Services, Narayana Nethralaya, Bengaluru, Karnataka, India.

Indian Journal of Ophthalmology
|June 21, 2024
PubMed
Summary
This summary is machine-generated.

Central retinal artery occlusion (CRAO) causes severe vision loss and is linked to serious vascular issues. This review covers recent advancements in CRAO understanding, diagnosis, and treatment.

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Area of Science:

  • Ophthalmology
  • Vascular Medicine
  • Neurology

Background:

  • Central retinal artery occlusion (CRAO) is a critical condition causing significant visual impairment.
  • CRAO is associated with systemic vascular risks affecting the brain and heart.
  • Existing literature on CRAO management and outcomes contains debates and misconceptions.

Purpose of the Study:

  • To review and synthesize recent developments in understanding CRAO.
  • To analyze current knowledge on CRAO etiology, diagnosis, and treatment.
  • To provide a comprehensive overview of fundamental principles and advancements in CRAO.

Main Methods:

  • Literature review of recent publications on CRAO.
  • Analysis of studies on CRAO causes and risk factors.
  • Evaluation of current diagnostic and therapeutic strategies, including retinal imaging and vitrectomy.

Main Results:

  • Recent advancements have improved the understanding of CRAO pathophysiology.
  • Updated retinal imaging techniques enhance diagnostic accuracy.
  • Emerging therapeutic strategies, including vitrectomy, show potential in managing CRAO.

Conclusions:

  • A comprehensive understanding of CRAO etiology and risk factors is crucial.
  • Advanced retinal imaging and systemic evaluation are key for timely diagnosis.
  • Current therapeutic strategies aim to improve outcomes and prevent complications, with ongoing research into novel treatments.