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Registros recuperados: 15
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Bacterial culture and antibiotic sensitivity from the ocular conjunctiva of horses Ciência Rural
Ferreira,Ana Raquel de Araújo; Santana,Alana Fontenele; Almeida,Ana Carolina da Veiga Rodarte de; Sousa,Renan Fiel; Perecmanis,Simone; Galera,Paula Diniz.
ABSTRACT: The aim of this study was to identify the conjunctival bacterial flora of healthy horses in Brasilia (Distrito Federal, Brazil), and to evaluate the antimicrobial susceptibility of the isolated strains. We examined 200 eyes of 100 healthy adult horses without any eye problems, belonging to the 1st Regiment of the Cavalry Guard (RCG) of the Brazilian Army in Brasilia. Samples were collected from the inferior conjunctival fornix of both eyes. Drug sensitivity test was performed with the antibiotics gentamicin (10µg), tobramycin (10µg), chloramphenicol (30µg) and ciprofloxacin (5µg). Of the 200 samples collected, 131 (65.5%) were considered positive for bacterial growth. A total of 208 bacterial strains belonging to 19 genera were isolated, where...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Eye; Horse; Bacterial flora; Antibiogram.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000600453
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Considerations about ocular neoplasia of dogs and cats Ciência Rural
Conceição,Luciano Fernandes da; Ribeiro,Alexandre Pinto; Piso,Dunia Yisela Trujillo; Laus,José Luiz.
Primary and secondary neoplasia of dogs and cats may assume several different forms. Clinical signs are varied, and are manifest in accordance with the diseased tissue. The present article aims to review clinical and pathophysiologic aspects of frequent neoplasms that affect by the eye and the adnexal ocular structures of dogs and cats.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dog; Cat; Eye; Adnexa; Neoplasms.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782010001000030
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Corneal epithelial inclusion cyst in a dog Ciência Rural
Campos,Carla de Freitas; Talieri,Ivia Carmem; Vicenti,Felipe Antônio Mendes; Laus,José Luiz.
An unilateral corneal epithelial inclusion cyst in a 7-year-old male Boxer dog is reported. The cyst had been observed for thirty days, was unique, not congenital and only one eye was involved. Seven months prior to the referral the dog had manifested indolent corneal ulcer treated with grade keratotomy and third eyelid flap. The cyst was removed by superficial keratectomy followed by a conjunctival pedicle graft. Recovery was uncomplicated and there wasn’t recurrence seven months after the surgery.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ophthalmology; Eye; Stroma.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782002000300025
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Double-setting alpha-tricalcium phosphate cement provided with interconection channels in rabbits after enucleation: A potential implant for the anophthalmic socket Arq. Bras. Med. Vet. Zootec.
Gomes Junior,D.C.; Oriá,A.P.; Dórea Neto,F.A.; Santos,L.A. dos; Estrela-Lima,A.; Barbosa,V.F.; Costa Neto,J.M.; Laus,J.L.; Daleck,C.R..
The purpose of this study was to evaluate the macroscopy and microstructure of a double setting alpha-tricalcium phosphate bone cement sphere provided with interconnection channels (alpha-TCP-i), as well as the integration of the implant with the rabbits' orbital tissue, through macroscopic analysis and histopathology. The external and internal surfaces of the alpha-TCP-i were evaluated macroscopically and by electron microscopy. Twelve New Zealand rabbits received 12mm implants of alpha-TCP-i following enucleation of the left eye. The clinical assessment was undertaken daily during the first 15 days, followed by fortnightly assessment until the end of the study period. For the morphological analysis, exenteration was performed in 3 animals per...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Implant; Eye; Prosthesis.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352015000100119
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Effects of Monocular Deprivation on the Dendritic Features of Retinal Ganglion Cells International Journal of Morphology
Mwachaka,Philip; Saidi,Hassan; Odula,Paul; Mandela,Pamela.
Monocular deprivation results in anatomical changes in the visual cortex in favor of the non-deprived eye. Although the retina forms part of the visual pathway, there is scarcity of data on the effect of monocular deprivation on its structure. The objective of this study was to describe the effects of monocular deprivation on the retinal ganglion cell dendritic features. The study design was quasi-experimental. 30 rabbits (18 experimental, 12 controls) were examined. Monocular deprivation was achieved through unilateral lid suture in the experimental animals. The rabbits were observed for three weeks. Each week, 6 experimental and 3 control animals were euthanized, their retina harvested and processed for light microscopy. Photomicrographs of the retina...
Tipo: Journal article Palavras-chave: Monocular deprivation; Retina; Retinal Ganglion Cells; Dendritic features; Eye.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000400004
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Fine-structural details of the photoreceptor membranes in the ocellus of the scale-insect parasite Centrodora sp. (Hymenoptera; Aphenelidae):: A case of gene transfer between host and parasite? Biocell
Yang,Mouyu; Meyer-Rochow,V.Benno.
Only one insect (the scale insect Eriococcus sp.) is known, in which photoreceptive lamellae appear to have replaced the usual arthropod rhabdom microvilli. We are now reporting the presence of photoreceptive membranes, which also appear to resemble lamellae rather than microvilli, but they are in the ocellus of the tiny wasp Centrodora sp., which parasitizes scale insect eggs. The apparently optically homogenous lens of the Centrodora ocellus measures approximately 10 µm in diameter and, thus, operates at the limits of diffraction. We calculated that the lens is capable of focusing a parallel bundle of rays on the retina of the ocellus.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Insect retina; Eye; Ocellus; Parasitoid; Visual membrane.
Ano: 2004 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452004000200004
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Infection by Austrodiplostomum compactum metacercariae in fish from the Nova Avanhandava reservoir, Tietê river, São Paulo State, Brazil - doi: 10.4025/actascibiolsci.v32i3.5675 Biological Sciences
Paes, Jaciara Vanessa Krüger; Unesp - Campus de Botucatu; Carvalho, Edmir Daniel; Unesp - Campus de Botucatu; Silva, Reinaldo José; Unesp - Campus de Botucatu.
This study aimed to evaluate the infection by the Austrodiplostomum compactum metacercariae in fishes from the Nova Avanhandava Reservoir, low Tietê river, São Paulo State, Brazil. The parasites were collected from eye (aqueous and vitreous humor), fixed in AFA solution and stained with carmine. The morphometric analysis was performed using a computerized system for analysis of images QWin Lite 2.5 (Leica). Prevalence, mean intensity of infection and abundance of infected fish were calculated. Of the 22 species of fish registered, five were infected by metacercariae: Hoplias malabaricus, Metynnis maculatus, Plagioscion squamosissimus, Satanoperca pappaterra and Schizodon nasutus. Of the 627 fish evaluated, 34% were infected. A higher prevalence was...
Tipo: Níveis parasitários (abundância e intensidade média de infecção) Palavras-chave: 2.13.00.00-3; 2.13.02.02-2 Diplostomidae; Trematode; New host; Eye; Parasite Parasitologia Diplostomidae; Trematode; New host; Eye; Parasite.
Ano: 2010 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/5675
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INTRAOCULAR TRANSMISSIBLE VENEREAL TUMOR IN A DOG Ciência Rural
Rodrigues,Geórgia Nadalini; Alessi,Antonio Carlos; Laus,José Luiz.
Canine transmissible venereal tumor (TVT) is a round cell neoplasm occurring on the external genital mucosa of male and female dogs. Transmission is by cell implantation during coitus, licking, or other interaction between an affected dog and a susceptible host. Metastasis of the tumor rarely occurs. This report describes an unusual presentation of TVT with intraocular involvement and inguinal lymph nodes metastasis. The subject was a six-year-old, intact, male, Brazilian Terrier dog with a history of abnormal masses in the right eye, penis and several subcutaneous nodules in the inguinal area. Histopathological examination of the eye specimens as well as cytologic examination of penile mass and subcutaneous nodules revealed similar findings. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Transmissible venereal tumor; Eye; Neoplasms; Dog.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782001000100023
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Intraoperative topical administration of mitomycin C, in different concentrations, on the cicatrization of mioplasties of the dorsal rectus of rabbits Ciência Rural
Mamede,Fabrício Villela; Martins,Bianca da Costa; Souza,Ana Letícia Groszewicz; Brunelli,Adriana Torrecilhas Jorge; Pontin,Karina; Soares,Edson Garcia; Albuquerque,Sérgio de; Laus,José Luiz.
Myoplasties of the extraocular muscle may cause adhesions between the operated muscle and the adjacent tissues, commonly generating cicatricial strabismus. With the purpose of reducing to a minimum the occurrence of adhesion, the effects of mitomycin C, an antifibrotic agent, were studied in concentrations of 0.008%, 0.02%, and 0.04% applied during intraoperative of myoplasties of the superior rectus muscle of rabbits. Fifty six animals were divided in five groups. During the postoperative, the operated areas were washed with physiological solution. Eye drop instillation to prevent inflammation and bacterial infection were used. The method to analyze the results consisted of clinical and histological evaluation and statistical analyzes. We also evaluated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Adhesions; Mitomycin C; Myoplasty; Eye.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782008000100021
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Microanatomical characteristics of marginal ommatidia in three different size-classes of the semi-terrestrial isopod Ligia exotica (Crustacea; Isopoda) Biocell
Keskinen,Essi; Takaku,Yasuharu; Meyer-Rochow,Benno; Hariyama,Takahiko.
The aims of this paper have been (a) to characterize marginal ommatidia from different eyeregions through a detailed description of their distinct ultrastructural features in three different size-classes ofL. exotica, and (b) to compare microanatomical characteristics of the marginal ommatidia with those of ommatidia of the same eye, but located further centrally. On the basis of transverse as well as longitudinal sections we conclude that new ommatidia are added from a crescentic dorso-anterio-ventral edge of the eye and that maturing ommatidia go through a sequence in which originally the nuclei of cone -, pigment-, and retinula cells are arranged in three separate layers. At the beginning of the microvillar development, the organization of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Crustaceans; Eye; Retina; Vision; Growth; Moulting; Ultrastructure.
Ano: 2002 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452002000300006
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Ocular alkali lesions in dogs: acetylcysteine and blood serum effects Braz. J. Vet. Res. Anim. Sci.
Campos,Carla Freitas; Jorge,Adriana Torrecilhas; Talieri,Ivia Carmen; Vicenti,Felipe Antônio Mendes; Toledo-Piza,Evandro de; Laus,José Luiz.
Ophthalmic lesions induced by contact with Sodium hydroxide (NaOH) at 3 M concentration in 42 dogs, divided into three groups (G1, G2 and G3), respectively treated with autogenous blood serum, acetylcysteine and a balanced saline solution were investigated. Comparison of the three groups in terms of clinical and microscopical findings showed no significant differences between groups.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Eye; Dogs; Eye/lesions.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-95962003000100004
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Ocular diseases in dogs naturally affected by visceral leishmaniasis in Teresina, Piauí, Brazil Ciência Rural
Freitas,Marcus Valérius de Matos; Brun,Cristiane Ferreira da Luz; Rodrigues,Marcelo Campos; Alves,Georgia Brenda Barros; Leal,Ariane Farias; Silva,Esther Machado de Carvalho e; Grolli,Lucas; Quessada,Ana Maria.
ABSTRACT: This study aimed to characterize ocular diseases in dogs naturally affected by visceral leishmaniasis in Teresina, Piauí State, Brazil. The diagnosis was made using parasitological exams of the bone-marrow and lymph-node samples. The main ophthalmological findings were uveitis, conjunctivitis, blepharitis, keratitis, and keratoconjunctivitis sicca. Normocytic normochromic anemia was the main hematological finding, followed by thrombocytopenia. Plasma proteins were also considered, and hyperproteinemia, hypergammaglobulinemia, and hypoalbuminemia were observed. Ocular histopathological examination revealed mild inflammation involving lymphocytes, monocytes, and macrophages. Results indicate the need to perform a differential diagnosis to rule out...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Canine; Eye; Leishmania sp; Zoonosis.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017001000504
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Ophthalmic and anesthetic evaluation of topical 1% tetracaine and 0.5% proparacaine in dogs Arq. Bras. Med. Vet. Zootec.
Parchen,H.D.; Izar,M.L.; Branco,P.S.; Lacowicz,C.; Sano,D.H.; Belo,C.E.P.; Vilani,R.G.D'O.C..
The aim of this study was to establish the action of 1% tetracaine eye drops in combination with 0.1% phenylephrine in two different posologies and their effects on the eye compared to the 0.5% proparacaine drops in dogs. 22 animals were divided into two groups: TG (11 animals), received 1% tetracaine associated with 0.1% phenylephrine eye drops, one drop instilled in the left eye and two drops, with one-minute interval between each, instilled in the right eye; PG (11 animals) received 0.5% proparacaine eye drops following the same dosage. The average duration of the observed anesthetic action was 25 minutes for tetracaine and 15 minutes for proparacaine. The instillation of two drops increased anesthetic time in five minutes. No changes in intraocular...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dog; Topical anesthesia; Eye; Aesthesiometry; Cochet-Bonnet.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352011000600009
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Orbital fat prolapse in a Persian cat. Case report Arq. Bras. Med. Vet. Zootec.
Laus,J.L.; Duque Ortiz,J.P.; Carneiro,A.P.M.; Lisbão,C.B.S..
A two and a half-year-old female Persian cat was presented with a history of bilateral chronic ocular discharge. Epiphora bilateral mucous ocular discharge and a volume increase in bulbar conjunctiva on the dorsolateral quadrant of the right eye were noticed during routine ophthalmic examination. Ophthalmic examination and the aspiration cytology showed the presence of adipose tissue at the right eye dorsolateral quadrant indicating orbital fat prolapse.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cat; Eye; Prolapse; Gato; Olho; Prolapso.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352005000600007
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The impact of ocular tuberculosis on vision after two months of intensive therapy BJID
Oliveira,Suzana Batista Vereza de; Passos,Ângelo Ferreira; Hadad,David Jamil; Zbyszynski,Lorena; Sousa de Almeida Júnior,Pedro; Castellani,Luiz Guilherme Schmidt; Dietze,Reynaldo; Palaci,Moisés.
ABSTRACT Tuberculosis is an infectious disease of global importance with major economic and social burden accounting for 25% of all avoidable deaths in developing countries. Extrapulmonary involvement may occur either in association with clinically apparent pulmonary tuberculosis or in isolation. This cross-sectional descriptive study aimed to evaluate the impact of ocular tuberculosis in visual acuity at baseline and after two months of intensive anti-tuberculous therapy. A sample of 133 pulmonary tuberculosis patients, seven disseminated tuberculosis, and three pleural tuberculosis patients was evaluated. All patients underwent routine ophthalmic evaluation, including assessment of visual acuity, biomicroscopy, applanation tonometry, indirect...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Tuberculosis; Eye; Visual acuity; Treatment.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702018000300159
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