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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...
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...
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...
Ophthalmic Drug Delivery Systems01:23

Ophthalmic Drug Delivery Systems

Ophthalmic drug delivery faces major limitations due to poor absorption across the corneal membrane. This process is primarily driven by diffusion and is influenced by two main factors: the physicochemical properties of the drug and tear drainage. Most ophthalmic drugs, such as pilocarpine, epinephrine, atropine, and local anesthetics, are weak bases. They are typically formulated at an acidic pH to enhance chemical stability. However, this leads to high ionization, reducing their ability to...

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Related Experiment Video

Updated: May 24, 2026

Intracameral Injection in Rats with Low Risk of Adverse Effects
06:19

Intracameral Injection in Rats with Low Risk of Adverse Effects

Published on: May 31, 2024

[The latest developments in glaucoma therapy using fixed combination products].

M Călugăru, D Călugăru

    Oftalmologia (Bucharest, Romania : 1990)
    |March 21, 2012
    PubMed
    Summary
    This summary is machine-generated.

    Fixed-combination eye drops offer improved convenience and adherence for glaucoma patients. While generally effective, some fixed-combination products show varying intraocular pressure lowering effects compared to individual components or combined therapies.

    More Related Videos

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

    Published on: March 12, 2016

    Related Experiment Videos

    Last Updated: May 24, 2026

    Intracameral Injection in Rats with Low Risk of Adverse Effects
    06:19

    Intracameral Injection in Rats with Low Risk of Adverse Effects

    Published on: May 31, 2024

    Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation
    08:30

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

    Published on: March 12, 2016

    Area of Science:

    • Ophthalmology
    • Pharmacology

    Background:

    • Fixed-combination products simplify medication regimens for conditions like glaucoma.
    • Benefits include improved tolerability, convenience, compliance, cost-effectiveness, and elimination of the washout effect.

    Purpose of the Study:

    • To evaluate the efficacy of fixed-combination ophthalmic products in lowering intraocular pressure.
    • To compare their effectiveness against monotherapy and non-fixed combination therapies.

    Main Methods:

    • Review of existing studies on fixed-combination glaucoma medications.
    • Comparative analysis of intraocular pressure lowering effects.

    Main Results:

    • Fixed-combination agents are generally superior to monotherapy for lowering intraocular pressure.
    • Duotrav was not superior to travoprost alone.
    • Ganfort was inferior to the concurrent administration of bimatoprost and timolol.

    Conclusions:

    • Fixed-combination eye drops offer advantages in glaucoma management.
    • Efficacy can vary, with some combinations showing limitations compared to individual agents or dual therapy.