Tear Film Inflammation
Tear Film Inflammation - Related Videos
05:57
Sex Hormone Detection In Human Tear Film Using Enzyme-Linked Immunosorbent Assays
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2026
This protocol describes an optimized enzyme-linked immunosorbent assay (ELISA) method to detect and quantify 17β-estradiol and testosterone in human tear fluid collected via microcapillary tubes. This approach enables minimally invasive measurement of tear hormone levels.
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.
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...
07:58
Electroplating of Thin Films
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2023
Source: Logan G. Kiefer, Andrew R. Falkowski, and Taylor D. Sparks, Department of Materials Science and Engineering, The University of Utah, Salt Lake City, UT Electroplating is a process that uses electric current to reduce dissolved metal cations so that they form a thin coating on an electrode. Other thin film deposition techniques include chemical vapor deposition (CVD), spin coating, dip coating, and sputter deposition among others. CVD uses a gas-phase precursor of the element to be...
10:08
Fabrication of Large-area Free-standing Ultrathin Polymer Films
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Cited by 10 •
2015
We describe a method for the fabrication of large-area (up to 13 cm diameter) and ultrathin (as thin as 8 nm) polymer films. Instead of using a sacrificial interlayer to delaminate the film from its substrate, we use a self-limiting surface treatment suitable for arbitrarily large areas.
FAQs
Inflammatory signals can change both tear composition and secretion, disturbing coordination among the aqueous, mucin, and lipid components. This imbalance weakens the film’s ability to remain stable and protect the ocular surface. Evaporation may increase, while epithelial irritation and discomfort become more likely. This component-based view helps researchers identify which aspect of tear-film dysfunction requires attention.
Inflammation can create a feedback loop rather than a single, isolated disturbance. Changes in secretion and tear composition destabilize the film, and greater evaporation exposes ocular-surface epithelial cells to additional irritation. That irritation can sustain inflammatory activity, which then continues to disrupt tear-film balance. Recognizing this cycle is important because effective strategies may need to reduce inflammation and restore stability together.
Instability links biochemical changes in tears to clinical effects. When aqueous, mucin, and lipid components no longer work in balance, the film becomes less dependable and evaporation can rise. The ocular surface then experiences repeated irritation, which may impair comfort and vision and contribute to continuing inflammation. Studying instability provides a functional way to connect tear-film changes with eye-health outcomes.
Researchers can examine tear composition and secretion together with the balance among aqueous, mucin, and lipid components, film stability, evaporation, and epithelial irritation. Considering these linked features helps diagnostic-test development address the broader disturbance rather than an isolated change. It also provides measures for judging whether a treatment or artificial tear strategy improves ocular-surface conditions.
Anti-inflammatory treatments can target inflammatory activity, while artificial tears and other strategies can support restoration of tear-film stability. Researchers can evaluate these approaches through outcomes such as comfort, vision, and eye health, alongside changes in tear-film behavior and epithelial irritation. This makes treatment assessment relevant to both symptoms and the protection of the ocular surface.
The process provides a mechanistic framework for connecting altered tear composition and secretion with instability, evaporation, epithelial irritation, and persistent inflammation. In medicine, that framework guides the development and evaluation of diagnostic tests, anti-inflammatory treatments, artificial tears, and other stabilizing strategies. It also helps researchers determine whether an intervention protects vision and improves broader ocular-surface health.