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Corneal thickness was measured withFD<\/jats:styled-content>\u2010OCT<\/jats:styled-content>andUSP<\/jats:styled-content>, while corneal epithelial thickness and conjunctival epithelial thickness were measured withFD<\/jats:styled-content>\u2010OCT<\/jats:styled-content>. The central corneal thickness (CCT<\/jats:styled-content>) was determined in 152 eyes of 125 healthy young adult intact female (35) and male (90) beagles usingTD<\/jats:styled-content>\u2010OCT<\/jats:styled-content>. Mixed effects linear regression was used for statistical analysis.<\/jats:p><\/jats:sec>Results<\/jats:title>TheCCT<\/jats:styled-content>was (mean\u00a0\u00b1\u00a0standard deviation) 497.54\u00a0\u00b1\u00a029.76, 555.49\u00a0\u00b1\u00a017.19, and 594.81\u00a0\u00b1\u00a033.02\u00a0\u03bcm as measured byFD<\/jats:styled-content>\u2010OCT<\/jats:styled-content>,USP<\/jats:styled-content>, andTD<\/jats:styled-content>\u2010OCT<\/jats:styled-content>, respectively. The central, superior paraxial, superior perilimbal corneal epithelial thickness and superior bulbar conjunctival epithelial thickness were 52.38\u00a0\u00b1\u00a07.27, 56.96\u00a0\u00b1\u00a06.47, 69.06\u00a0\u00b1\u00a08.84 and 42.98\u00a0\u00b1\u00a06.17\u00a0\u03bcm, respectively. When comparing techniques used for measuringCCT<\/jats:styled-content>(USP<\/jats:styled-content>vs.FD<\/jats:styled-content>\u2010OCT<\/jats:styled-content>andFD<\/jats:styled-content>\u2010OCT<\/jats:styled-content>vs.TD<\/jats:styled-content>\u2010OCT<\/jats:styled-content>),USP<\/jats:styled-content>andTD<\/jats:styled-content>\u2010OCT<\/jats:styled-content>generated significantly greater values in comparison withFD<\/jats:styled-content>\u2010OCT<\/jats:styled-content>(bothP\u00a0<\/jats:italic><\u00a00.001). For all dogs,CCT<\/jats:styled-content>increased with increasing age and body weight (bothP\u00a0<\/jats:italic><\u00a00.001) and was higher in intact males vs. females usingTD<\/jats:styled-content>\u2010OCT<\/jats:styled-content>(P\u00a0<\/jats:italic>=\u00a0<\/jats:italic>0.034).<\/jats:p><\/jats:sec>Conclusion<\/jats:title>High\u2010resolutionFD<\/jats:styled-content>\u2010OCT<\/jats:styled-content>andTD<\/jats:styled-content>\u2010OCT<\/jats:styled-content>provide detailed noninvasive evaluation ofin vivo<\/jats:italic>canine anterior segment structures. Normative values of the canine cornea and conjunctiva are reported.<\/jats:p><\/jats:sec>","DOI":"10.1111\/vop.12256","type":"journal-article","created":{"date-parts":[[2015,2,12]],"date-time":"2015-02-12T19:46:40Z","timestamp":1423770400000},"page":"50-56","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["In vivo<\/i>evaluation of the cornea and conjunctiva of the normal laboratory beagle using time\u2010 and Fourier\u2010domain optical coherence tomography and ultrasound pachymetry"],"prefix":"10.1111","volume":"19","author":[{"given":"Ann R.","family":"Strom","sequence":"first","affiliation":[{"name":"Department of Veterinary Surgical and Radiological Sciences School of Veterinary Medicine University of California, Davis One Shields Avenue Davis CA 95616 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dennis E.","family":"Cort\u00e9s","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology & Vision Science UC Davis Eye Center School of Medicine University of California, Davis 4860 Y St., Suite 2400 CA 95817 USA"},{"name":"Department of Ophthalmology Pontificia Universidad Cat\u00f3lica de Chile Santiago, Avenida Libertador Bernado O. Higgins 340 Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carol A.","family":"Rasmussen","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology & Visual Sciences University of Wisconsin Madison 2828 Marshall Court Suite 200 WI 53705 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sara M.","family":"Thomasy","sequence":"additional","affiliation":[{"name":"Department of Veterinary Surgical and Radiological Sciences School of Veterinary Medicine University of California, Davis One Shields Avenue Davis CA 95616 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kim","family":"McIntyre","sequence":"additional","affiliation":[{"name":"Comparative Ophthalmic Research Laboratories School of Veterinary Medicine University of Wisconsin Madison 2828 Marshall Court Suite 200 WI 53705 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shwu\u2010Fei","family":"Lee","sequence":"additional","affiliation":[{"name":"Covance Laboratories, Inc. 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