Articles Equine

24 July 2026

Efficacy of Therapeutic UVC Irradiation in Reducing Bacterial Load in Microbial Keratitis A Retrospective Clinical Study in Veterinary Patients.

Clinical evidence update from Veterinary ophthalmology

Clinical Context

Peer-reviewed veterinary literature continues to shape everyday decision-making for production animal practice, especially when new evidence clarifies diagnosis, treatment selection, monitoring, or clinical outcomes.

What the Study Evaluated

A study published in Veterinary ophthalmology in 2026 evaluated efficacy of Therapeutic UVC Irradiation in Reducing Bacterial Load in Microbial Keratitis: A Retrospective Clinical Study in Veterinary Patients..

Key Findings

To evaluate the immediate effect of therapeutic ultraviolet-C (UVC) irradiation on corneal bacterial load in veterinary patients with microbial keratitis (MK), using a retrospective analysis of clinical data collected at a UK referral ophthalmology hospital. Client-owned dogs, horses, and cats presented to a referral ophthalmology clinic with MK in 2025. Clinical records from MK cases were reviewed. For each case, paired corneal swabs were obtained immediately before and immediately after UVC irradiation with a commercially available 265 nm device (PhotonUVC). Treatment consisted of a single 5-s exposure at 3.5 mW/cm 2 (fluence 17.5 mJ/cm 2...

Why It Matters for Veterinary Professionals

For veterinary professionals, the practical value of this work lies in how the findings may support more structured clinical assessment, clearer monitoring, and more informed decisions for production animal practice.

Practical Interpretation

The results should be interpreted in the context of the study design, population, inclusion criteria, and clinical setting. Application in practice should consider patient-specific risk factors, available diagnostics, local standards of care, and clinician judgment.

Clinical Takeaway

Overall, the study adds useful evidence for clinicians seeking to align daily practice with current veterinary research while maintaining a balanced, case-by-case approach.

Read the full article here.

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Efficacy of Therapeutic UVC Irradiation in Reducing Bacterial Load in Microbial Keratitis A Retrospective Clinical Study in Veterinary Patients.

Clinical evidence update from Veterinary ophthalmology

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