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Imprime registro no formato completo
Clinical and histological effects of the temporary occlusion of the rabbit nasolacrimal duct and point using cyanoacrylate adhesives Arq. Bras. Med. Vet. Zootec.
Cardoso,K.C.F.; Ferreira,M.A.; Miguel,M.P.; Bolzan,A.A.; Nishimori,C.T.D.; Franco,L.G.; Honsho,C.S..
The objective of this study was to evaluate the clinical and histological effects of occluding the nasolacrimal ducts and points of rabbits. For this study, 20 adult New Zealand rabbits, both males and females, weighing 3.2±0.4kg were allocated into two groups for n-butyl-cyanoacrylate occlusion (GB, n=10) or 2-octyl-cyanoacrylate occlusion (GO, n=10). The contralateral eyes served as the controls. The persistence of tears was evaluated daily using the Schirmer I test. Discomfort, eye discharge, epiphora, and conjunctival hyperemia were assessed prior to the procedure (T0) and during the 14 subsequent days (T1-T14). On days seven and 14, five animals from each group were euthanized, and their nasolacrimal ducts were collected, processed and analyzed by...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dry eye; Keratoconjunctivitis sicca; Schirmer test; Tear.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352013000600021
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Dynamics of tear fluid desiccation on a glass surface: a contribution to tear quality assessment Biol. Res.
Traipe-Castro,Leonidas; Salinas-Toro,Daniela; López,Daniela; Zanolli,Mario; Srur,Miguel; Valenzuela,Felipe; Cáceres,Aníbal; Toledo-Araya,Héctor; López-Solís,Remigio.
BACKGROUND: Fern-like crystalloids form when a microvolume of tear is allowed to dry out at ambient conditions on a glass surface. Presence of crystalloids in tear "microdesiccates" is used to evaluate patients with Dry-Eye disease. This study aims to examine morphologically the desiccation process of normal tear fluid and to identify changes associated with accelerated tear evaporation. Tear microdesiccates from healthy (Non-Dry Eye) and Dry Eye subjects were produced at ambient conditions. Microdesiccate formation was monitored continuously by dark-field video microscopy. Additionally, accelerated desiccation of tear samples from healthy subjects was conducted under controlled experimental conditions. Particular morphological domains of tear...
Tipo: Journal article Palavras-chave: Tear; Tear ferning test; Dry eye; Dark-field microscopy.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602014000100025
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Iatrogenic keratoconjunctivitis sicca in a dog Ciência Rural
Almeida,Denise Eliza de; Mamede,Fabricio Villela; Duque Ortiz,Juan Pablo; Laus,José Luiz.
Qualitative and quantitative abnormalities in primary components of the tear can alter the dynamics of the lacrimal film, compromising its function. Lipids, an aqueous fraction and mucoproteins constitute the lacrimal film. Keratoconjunctivitis sicca (KCS) is a disease commonly diagnosed in dogs. It is characterized by the deficiency of the aqueous fraction in the lacrimal film that results in dryness, inflammation of the conjunctive and cornea with progressive corneal illness and reduction of vision and pain. Due to the significant contribution of the third eyelid lacrimal gland to the production of the aqueous fraction of the lacrimal film, the removal of this gland when prolapsed is an important cause of iatrogenic keratoconjuctivitis sicca. This paper...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Iatrogenic keratoconjunctivitis sicca; Dry eye; Cherry eye.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782004000300041
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Progress in tear microdesiccate analysis by combining various transmitted-light microscope techniques Biol. Res.
Traipe-Salas,Felipe; Traipe-Castro,Leonidas; Salinas-Toro,Daniela; López,Daniela; Valenzuela,Felipe; Cartes,Christian; Toledo-Araya,Héctor; Pérez,Claudio; Solís,Remigio López.
BACKGROUND: Tear desiccation on a glass surface followed by transmitted-light microscopy has served as diagnostic test for dry eye. Four distinctive morphological domains (zones I, II, III and transition band) have been recently recognized in tear microdesiccates. Physicochemical dissimilarities among those domains hamper comprehensive microscopic examination of tear microdesiccates. Optimal observation conditions of entire tear microdesiccates are now investigated. One-μ! aliquots of tear collected from individual healthy eyes were dried at ambient conditions on microscope slides. Tear microdesiccates were examined by combining low-magnification objective lenses with transmitted-light microscopy (brightfield, phase contrasts Ph1,2,3 and...
Tipo: Journal article Palavras-chave: Tear; Tear ferning test; Transmitted-light microscopy; Tear microdesiccate; Dry eye.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602016000100028
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