{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,4]],"date-time":"2026-06-04T19:48:48Z","timestamp":1780602528882,"version":"3.54.1"},"reference-count":47,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2025,8,20]],"date-time":"2025-08-20T00:00:00Z","timestamp":1755648000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2025,8,20]],"date-time":"2025-08-20T00:00:00Z","timestamp":1755648000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Veterinary Ophthalmology"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This study aimed to determine and compare normal variations in tear production, intraocular pressure, B\u2010mode ultrasonographic findings, and the fundus in healthy Sak\u0131z and \u00c7ine \u00c7apar\u0131 sheep.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Sixty healthy female sheep (30 Sak\u0131z and 30 \u00c7ine \u00c7apar\u0131), approximately 2\u2009years old, were included. The Schirmer\u2010I tear test (STT\u2010I), rebound tonometry for IOP, B\u2010mode ocular ultrasonography, and fundus photography following mydriasis were performed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      STT\u2010I values were significantly higher in Sak\u0131z sheep compared to \u00c7ine \u00c7apar\u0131 (18.87\u2009\u00b1\u20090.51\u2009mm\/min vs. 15.82\u2009\u00b1\u20090.61\u2009mm\/min;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001). IOP was also slightly higher in Sak\u0131z sheep (16.40\u2009\u00b1\u20090.42\u2009mmHg vs. 15.75\u2009\u00b1\u20090.60\u2009mmHg;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05). Significant differences were observed in some ultrasonographic parameters, such as lens length (M4: 12.8\u2009\u00b1\u20090.1\u2009mm in Sak\u0131z vs. 13.6\u2009\u00b1\u20090.1\u2009mm in \u00c7ine \u00c7apar\u0131;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01) and vitreous chamber depth (M5: 12.6\u2009\u00b1\u20090.1\u2009mm vs. 11.8\u2009\u00b1\u20090.1\u2009mm;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01) in mean value of both eyes. Fundus evaluation revealed breed\u2010specific variations in tapetal color (more consistent blue\u2010green in Sak\u0131z, variable green tones in \u00c7ine \u00c7apar\u0131), nontapetal pigmentation (uniformly black in Sak\u0131z vs. mixed brown and black in \u00c7ine \u00c7apar\u0131), and optic disk shape (predominantly oval in both). Bergmeister's papilla was more prevalent in Sak\u0131z sheep (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05), while arterial and venous distributions in the nontapetal region differed slightly between breeds without statistical significance.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>It was determined that tear production; IOP; B\u2010mode ultrasonography findings; and normal variations of the fundus in Sak\u0131z and \u00c7ine \u00c7apar\u0131 sheep exhibited similar distributions, albeit with minor differences.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/vop.70063","type":"journal-article","created":{"date-parts":[[2025,8,20]],"date-time":"2025-08-20T10:30:20Z","timestamp":1755685820000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Ocular Parameters in Healthy Sak\u0131z and \u00c7ine \u00c7apar\u0131 Sheep Breeds: Tear Production, Intraocular Pressure, Ultrasonographic Measurements, and Retinal Variations"],"prefix":"10.1111","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5784-6291","authenticated-orcid":false,"given":"Eser","family":"\u00c7akmak\u00e7i","sequence":"first","affiliation":[{"name":"Faculty of Veterinary Medicine, Department of Surgery Ayd\u0131n Adnan Menderes University  Ayd\u0131n T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3346-6926","authenticated-orcid":false,"given":"Ali","family":"Belge","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, Department of Surgery Ayd\u0131n Adnan Menderes University  Ayd\u0131n T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,8,20]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.32707\/ercivet.1587417"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.2460\/javma.24.02.0140"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.2460\/javma.23.08.0470"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.4314\/ovj.v3i1.3"},{"key":"e_1_2_8_6_1","volume-title":"Veterinary Ophthalmology","author":"Gelatt K. 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