{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T18:12:12Z","timestamp":1782497532799,"version":"3.54.5"},"reference-count":34,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2019,5,2]],"date-time":"2019-05-02T00:00:00Z","timestamp":1556755200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Veterinary Ophthalmology"],"published-print":{"date-parts":[[2020,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To describe the corneal in vivo confocal microscopy (IVCM) findings in horses with putative immune\u2010mediated keratitis (IMMK).<\/jats:p><\/jats:sec><jats:sec><jats:title>Animals<\/jats:title><jats:p>Sixty five horses with IMMK.<\/jats:p><\/jats:sec><jats:sec><jats:title>Procedures<\/jats:title><jats:p>Horses diagnosed with IMMK were examined with a modified Heidelberg Retina Tomograph II and Rostock Cornea Module. The findings from the IVCM examinations were correlated with clinical details from ophthalmic examination and diagnostic test results.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Eighty eyes from 65 horses were examined. Clinical IMMK lesions were categorized as epithelial (n\u00a0=\u00a017 eyes), superficial stromal (n\u00a0=\u00a038), midstromal (n\u00a0=\u00a018), and endothelial (n\u00a0=\u00a07). Epithelial, superficial stromal, and midstromal lesions were characterized with IVCM by variable corneal leukocyte infiltrates and vascularization of the approximate corneal anatomic region that was clinically affected as determined by biomicroscopy. In addition, all horses displayed a dense network of dendritic cells in the epithelial basement membrane and immediate subepithelial stroma. Less consistent IVCM findings included epithelial disorganization, corneal edema, mineral deposition, stromal fibrosis, and epithelial pigment granules. Endothelial IMMK was distinct from the other forms of IMMK and characterized with IVCM by stromal edema, endothelium disorganization, endothelial cell loss, and multifocal accumulations of highly reflective material within the endothelium.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions and clinical relevance<\/jats:title><jats:p>The distinguishing feature of epithelial and stromal forms of IMMK is a dense accumulation of dendritic cells in the epithelial basement membrane and immediate subepithelial stroma. Cellular changes in endothelial IMMK were largely confined to the endothelium and distinct from the other forms of IMMK evaluated.<\/jats:p><\/jats:sec>","DOI":"10.1111\/vop.12677","type":"journal-article","created":{"date-parts":[[2019,5,3]],"date-time":"2019-05-03T04:06:46Z","timestamp":1556856406000},"page":"4-15","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Laser scanning in vivo confocal microscopic characterization of equine immune\u2010mediated keratitis"],"prefix":"10.1111","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1894-8839","authenticated-orcid":false,"given":"Eric C.","family":"Ledbetter","sequence":"first","affiliation":[{"name":"Department of Clinical Sciences, College of Veterinary Medicine Cornell University Ithaca New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nita L.","family":"Irby","sequence":"additional","affiliation":[{"name":"Department of 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