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Related Concept Videos

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...
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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...
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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: May 7, 2026

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients
12:23

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Published on: April 14, 2014

[Diffuse unilateral subacute neuroretinitis (DUSN): current update].

Alexandre Antonio Marques Rosa, Taurino dos Santos Rodrigues Neto

    Arquivos Brasileiros De Oftalmologia
    |September 25, 2013
    PubMed
    Summary

    Diffuse unilateral subacute neuroretinitis (DUSN) is a serious eye condition causing vision loss. Early diagnosis and treatment of DUSN are crucial for symptom resolution and preventing permanent visual impairment.

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    Area of Science:

    • Ophthalmology
    • Neuro-ophthalmology
    • Infectious Diseases

    Context:

    • Diffuse unilateral subacute neuroretinitis (DUSN) is a significant cause of posterior uveitis in South America, particularly affecting children and young adults.
    • This condition poses a risk of blindness if not managed promptly.
    • Understanding DUSN is vital for ophthalmologists and healthcare providers in endemic regions.

    Purpose:

    • To provide a comprehensive literature review on diffuse unilateral subacute neuroretinitis (DUSN).
    • To detail the history, etiology, pathophysiology, clinical presentation, diagnostic methods, differential diagnoses, and treatment strategies for DUSN.
    • To consolidate current knowledge on this potentially blinding neuro-ophthalmic condition.

    Summary:

    • DUSN is an inflammatory eye disease characterized by unilateral vision impairment.
    • Early intervention can lead to symptom resolution and improved visual acuity.
    • Delayed diagnosis or progression can result in irreversible vision loss.

    Impact:

    • Highlights the importance of early detection and treatment for DUSN to prevent severe visual impairment.
    • Provides a valuable resource for clinicians managing posterior uveitis cases in affected regions.
    • Contributes to the understanding and management of a neglected tropical disease affecting vision.