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The Ocular Surface Microbiome in Homeostasis and Dysbiosis
Journal article   Open access   Peer reviewed

The Ocular Surface Microbiome in Homeostasis and Dysbiosis

Fiza Tariq, Navpreet Hehar and De Gaulle I Chigbu
Microorganisms, v 13(9), 1992
27 Aug 2025
PMID: 41011324
Featured in Collection :   Research Supported by Drexel Libraries' OA Programs
url
https://doi.org/10.3390/microorganisms13091992View
Published, Version of Record (VoR)Open Access Discount via Drexel Libraries Read and Publish Program 2025CC BY V4.0 Open

Abstract

ocular surface microbiome gut microbiome dysbiosis ocular surface immunity 16S ribosomal RNA probiotics
The ocular surface microbiome consists of microorganisms that play an important role in maintaining homeostasis and preventing disease from invading pathogens. Commensal microbes on the ocular surface interact with cells and molecules of the ocular surface immune system to promote immune tolerance to the normal flora of the ocular surface and facilitate immune protection against invading pathogenic microbes, which allows for a disease-free ocular surface. Various factors can impact the composition, distribution, and diversity of the ocular surface microbiome, including age, gender, disease state, antibiotic treatment, and contact lens use. In addition, there is no cohesive consensus on the species that make up the ocular surface microbes. There is, however, thorough research present on other similar mucosal membranes, such as the gut and oral mucosa, that share similarities with the ocular mucosa. Exploring the relationship of different mucosae allows us to explore treatment options for common ocular diseases such as dry eye syndrome. This review highlights studies that define the ocular surface microbiome, its diversity and composition, host–immune interactions at the ocular surface, factors that cause dysbiosis of the ocular surface microbiome, the impact of dysbiosis on the ocular surface microbiome, and microbiome-based therapy.

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Web of Science research areas
Microbiology
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