Ocular Inflammation
Ocular Inflammation - Related Videos
03:06
A Method to Induce Ocular Surface Inflammation in a Murine Model
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2025
This video demonstrates a method to induce ocular surface inflammation and meibomian gland dysfunction in a murine model. Stimulation of the mouse's immune system using an immunogen and later restimulation with the same immunogen promotes ocular surface inflammation, which causes plugging of meibomian gland secretion through neutrophil-produced aggNETs and leads to dry eye disease.
06:38
Induction of Ocular Surface Inflammation and Collection of Involved Tissues
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Cited by 2 •
2022
Ocular surface inflammation harms the ocular surface tissues and compromises vital functions of the eye. The present protocol describes a method to induce ocular inflammation and collect compromised tissues in a mouse model of Meibomian gland dysfunction (MGD).
01:38
Inflammation
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2019
Overview In response to tissue injury and infection, mast cells initiate inflammation. Mast cells release chemicals that increase the permeability of adjacent blood capillaries and attract additional immune cells to the wound or site of infection. Neutrophils are phagocytic leukocytes that exit the bloodstream and engulf invading microbes. Blood clotting platelets seal the wound and fibers create a scaffold for wound healing. Macrophages engulf aging neutrophils to end the acute inflammatory...
06:35
Experimental Glaucoma Induced by Ocular Injection of Magnetic Microspheres
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Cited by 25 •
2015
We present a method for inducing elevated intraocular pressure (IOP), by injecting magnetic microspheres into the rat eye, to model glaucoma. This leads to strong pressure rises, and extensive neuronal death. This protocol is easy to perform, does not require repeat injections, and produces stable long-lasting IOP rises.
06:34
Laser-Induced Chronic Ocular Hypertension Model on SD Rats
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Cited by 26 •
2007
Glaucoma is one of the major causes of blindness in the world. Elevated intraocular pressure is a major risk factor. Laser photocoagulation induced ocular hypertension is one of the well established animal models. This video demonstrates how to induce ocular hypertension by Argon laser photocoagulation in rat.
FAQs
Microbial antigens point investigators toward immune activity associated with infection, whereas damaged cells and other danger signals can activate inflammation without establishing an infectious cause. Comparing these initiating signals helps researchers frame the disease process more accurately and avoid treating every inflammatory response as evidence of infection, an important distinction when evaluating uveitis and related disorders.
Activated immune pathways release cytokines, which coordinate local inflammatory activity and help recruit leukocytes to affected ocular tissues. Increased vascular permeability then permits inflammatory changes that can alter tissue conditions. Together, these events strengthen the response to infection or injury, but their intensity and persistence also influence whether inflammation remains controlled or contributes to ocular damage.
The blood-retinal barrier normally helps separate retinal tissue from circulating factors. Inflammatory changes can disrupt this barrier through altered vascular permeability, allowing the ocular environment to become more vulnerable to immune-mediated effects. Researchers therefore consider barrier integrity when assessing how inflammation may extend beyond initial immune recognition and interfere with retinal function and vision.
The distinction depends on interpreting the trigger and immune pattern rather than observing inflammation alone. Evidence of microbial antigen recognition supports an infectious explanation, while responses associated with damaged cells or other danger signals may indicate a noninfectious process. This framework helps organize diagnostic investigations and supports treatment choices that address the underlying cause more precisely.
A useful investigation follows the response from initiating signal to tissue consequence: researchers examine whether microbial antigens, damaged cells, or other danger signals are present, then assess cytokine activity, leukocyte recruitment, vascular permeability, and blood-retinal barrier disruption. Linking these stages helps explain both immune control and the changes that may threaten retinal or visual function.
Research findings can identify immune features that help separate infectious disease from noninfectious inflammation and can guide improved diagnostic methods. They also reveal points at which targeted anti-inflammatory treatment might reduce harmful immune activity while preserving pathogen control. Ultimately, this information supports strategies designed to limit immune-mediated damage and protect retinal and visual function.