Corneal Abrasion
Corneal Abrasion - Related Videos
04:45
An Epithelial Abrasion Model for Studying Corneal Wound Healing
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Cited by 11 •
2021
Here, a protocol for creating a central corneal epithelial abrasion wound in the mouse using a trephine and a blunt golf club spud is described. This corneal wound healing model is highly reproducible and is now being used to evaluate compromised corneal wound healing in the context of diseases.
07:28
Corneal Epithelial Abrasion with Ocular Burr As a Model for Cornea Wound Healing
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Cited by 18 •
2018
This protocol describes a method to inflict an abrasion to the ocular surface of the mouse, and to follow the wound healing process thereafter. The protocol takes advantage of an ocular burr to partially remove the surface epithelium of the eye in anaesthetized mice.
08:19
Zebrafish Corneal Wound Healing: From Abrasion to Wound Closure Imaging Analysis
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Cited by 3 •
2022
This protocol focuses on damaging the ocular surface of zebrafish through abrasion to assess the subsequent wound closure at the cellular level. This approach exploits an ocular burr to partly remove the corneal epithelium and uses scanning electron microscopy to track changes in cell morphology during wound closure.
07:47
Experimental Protocol to Investigate Particle Aerosolization of a Product Under Abrasion and Under Environmental Weathering
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2016
In this article, an experimental protocol to investigate particle aerosolization of a product under abrasion and under environmental weathering is presented. Results on the emission of engineered nanomaterials, in the form of aerosols are presented. The specific experimental set-up is described in detail.
01:23
Abrasion Resistance of Concrete
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2024
Abrasion resistance is an essential characteristic of concrete that determines its durability and longevity under various wear conditions. Concrete surfaces are vulnerable to different types of abrasion. For instance, surfaces may wear down due to the constant movement of vehicles or be eroded by solids carried in water, as seen in concrete canal linings. Specific tests are conducted to measure the abrasion resistance of concrete. One such test is the revolving disc test, where three plates...
FAQs
Pain and light sensitivity occur because the injury disrupts epithelial cells and exposes corneal nerve endings. Tearing and redness accompany this local response. These symptoms provide clinical clues that the ocular surface has been disturbed, while their presence does not by itself establish whether the injury is superficial or associated with deeper damage.
Fluorescein highlights areas where epithelial integrity is disrupted, making the surface defect visible under blue light. This provides an objective way to assess the ocular surface rather than relying only on symptoms. The finding can support recognition of an abrasion and direct attention toward possible retained material or deeper injury.
Checking for retained foreign material and signs of deeper damage is essential because a visible surface injury may not be the entire problem. Assessment therefore extends beyond confirming epithelial disruption. This broader evaluation helps clinicians decide whether supportive care is appropriate or whether specialist treatment should be considered.
A history of a scratch from a foreign body, fingernail, contact lens, or other trauma can focus attention on a possible corneal abrasion. These details do not determine severity alone. They help clinicians connect the reported event with current pain, tearing, redness, or light sensitivity and identify the need for further assessment.
Clinical assessment combines symptom review with direct evaluation of the eye surface. Clinicians use fluorescein dye and blue light to locate epithelial defects, while also checking for retained foreign material and indications of deeper injury. This sequence links the patient's symptoms to an observable finding and supports appropriate next steps.
Fluorescein findings are useful because they convert disruption of epithelial cells into a visible assessment target under blue light. In context, this observation supports recognition of the injured area and helps guide closer evaluation for retained material or deeper damage. The examination therefore adds direct surface information to the symptom assessment.
Its medical value lies in guiding supportive care, reducing discomfort, and helping prevent complications such as infection. It also provides a decision point for identifying injuries that may require specialist treatment. Thus, the assessment serves both immediate symptom management and early recognition of cases that should not be managed as a simple surface injury.