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A Sneaky Culprit: Secondary Infectious Keratitis Due to Brevundimonas diminuta.
Eye Contact Lens
January 2025
Medical College of Wisconsin, Milwaukee, WI.
Purpose: To describe a rare case of infectious keratitis secondary to Brevundimonas diminuta, a gram-negative bacillus with fluoroquinolone resistance and rare clinical isolation.
Methods: A 50-year-old man with contact lens overuse presented with a large corneal ulcer and hand motion visual acuity. Initial treatment with fortified topical tobramycin and vancomycin yielded slow improvement, and initial culture grew Staphylococcus epidermidis, Staphylococcus hominis, and Corynebacterium bovis.
Distinct Ocular Surface Microbiome in Keratoconus Patients Correlate With Local Immune Dysregulation.
Invest Ophthalmol Vis Sci
January 2025
GROW Research Laboratory, Narayana Netralaya Foundation, Bangalore, India.
Purpose: Keratoconus (KC) is characterized by irregular astigmatism along with corneal stromal weakness and is associated with altered immune status. Tissue resident microbiomes are known to influence the immune status in other organs, but such a nexus has not been described in ocular conditions. Therefore, we examined the ocular surface microbiome of patients with KC and correlated it to the immune cell and tear molecular factor profiles.
View Article and Find Full Text PDFA peptide mimic of SOCS1 modulates equine peripheral immune cells and ocular effector functions : implications for recurrent uveitis.
Front Immunol
January 2025
Microbiology and Cell Science, Institute of Food and Agricultural Science, University of Florida, Gainesville, FL, United States.
Introduction: Recurrent uveitis (RU), an autoimmune disease, is a leading cause of ocular detriment in humans and horses. Equine and human RU share many similarities including spontaneous disease and aberrant cytokine signaling. Reduced levels of SOCS1, a critical regulator of cytokine signaling, is associated with several autoimmune diseases.
View Article and Find Full Text PDFOptimizing autonomous artificial intelligence diagnostics for neuro-ocular health in space missions.
Life Sci Space Res (Amst)
February 2025
Human-Machine Perception Laboratory, Department of Computer Science and Engineering, University of Nevada, Reno, Reno, NV, United States.
Spaceflight-Associated Neuro-Ocular Syndrome (SANS) presents a critical risk in long-duration missions, with microgravity-induced changes that threaten astronaut vision and mission outcomes. Current SANS monitoring, limited to pre- and post-flight exams, lacks in-flight diagnostics, highlighting an urgent need for autonomous tools capable of real-time assessment. Grok, an AI platform by xAI, offers promising potential as an advanced diagnostic tool for space-based health monitoring.
View Article and Find Full Text PDFGenotype-Phenotype Correlations of Nance-Horan Syndrome in Male and Female Carriers of a Novel Variant.
Genes (Basel)
January 2025
Ophthalmology Department, Federal University of São Paulo, São Paulo 04039-032, Brazil.
Background: Nance-Horan syndrome (NHS) is a rare, frequently underdiagnosed, X-linked disease caused by mutations in the NHS gene. In males, it causes bilateral dense pediatric cataracts, dental anomalies, and facial dysmorphisms. Females traditionally have a more subtle phenotype with discrete lens opacities as an isolated feature.
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