Evaluation of Intraocular Pressure (IOP) Regarding Circadian Rhythm, Age, Sex and Eye Side in Awassi Sheep

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dc.authorid0000-0003-4138-7689
dc.authorscopusid55316940600
dc.authorscopusid7006243697
dc.authorscopusid57203139024
dc.authorscopusid57203139982
dc.authorwosidKilic, Servet/ABA-3409-2020
dc.authorwosidOrhan, Cemal/Q-2086-2015
dc.contributor.authorKulualp, Kadri
dc.contributor.authorKılıç, Servet
dc.contributor.authorÇakır, Sema
dc.contributor.authorOrhan, C.
dc.date.accessioned2022-05-11T14:42:13Z
dc.date.available2022-05-11T14:42:13Z
dc.date.issued2018
dc.departmentFakülteler, Veteriner Fakültesi, Klinik Bilimler Bölümü, Cerrahi Ana Bilim Dalı
dc.description.abstractMeasurement of intraocular pressure (IOP) in domestic animals has become a part of routine eye examination with advent of applanation tonometer. Delayed control of high IOP may lead to permanent blindness due to retinal ganglion cells dysfunction and optic nerve degeneration. This study aimed at evaluating IOP of Awassi sheep with respect to circadian rhythm, age, sex and eye sides and finally to establish a reference (baseline, normal) IOP value for this particular species. A total of 24 healthy sheep with different ages and sexes were used. The animals were divided into 2 equal groups, <1 (6 male, 6 female, n = 12) and >= 1 (6 male, 6 female, n = 12) years old. IOP measurements were performed twice, in the morning (6:00 a.m.) and in the evening (8:00 p.m.) with Tono-pen Vet (R) applanation tonometer. Mean LOP in the animals decreased from 16.21 mmHg in the morning to 12.65 mmHg in the evening with an approximately rate of 22% (P <0.0001). Comparison of mean LOP values of right eyes (n=12) to the left (n=12). male (n=48) to female (n-48), and ages < 1 (n=48) to >= 1 (n=48) showed no difference (P >0.05). The reference IOP for this animal was calculated as 14.43 +/- 2.72 mmHg notwithstanding any variable. It was concluded that in this breed IOP values can vary significantly as far as circadian rhythm is concerned and Tono-pen Vet (R) can be used for sheep IOP measurement as an alternative to other applanation tonometry.
dc.identifier.doi10.12681/jhvms.18018
dc.identifier.endpage964
dc.identifier.issn1792-2720
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85050656969
dc.identifier.scopusqualityQ3
dc.identifier.startpage959
dc.identifier.urihttps://doi.org/10.12681/jhvms.18018
dc.identifier.urihttps://hdl.handle.net/20.500.11776/9288
dc.identifier.volume69
dc.identifier.wosWOS:000439066300007
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKılıç, Servet
dc.language.isoen
dc.publisherHellenic Veterinary Medical Soc
dc.relation.ispartofJournal of the Hellenic Veterinary Medical Society
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectAge
dc.subjectAwassi Sheep
dc.subjectCircadian Rhythm
dc.subjectIOP
dc.subjectTono-pen Vet (R)
dc.subjectRebound Tonometer Tonovet(R)
dc.subjectOphthalmic Diagnostic-Tests
dc.subjectApplanation Tonometer
dc.subjectReference Values
dc.subjectTear Production
dc.subjectXl(R)
dc.subjectDogs
dc.titleEvaluation of Intraocular Pressure (IOP) Regarding Circadian Rhythm, Age, Sex and Eye Side in Awassi Sheep
dc.typeArticle

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