Administração transmucosa oral de analgésicos: eficácia pós-operatória em cadelas

Pós-graduação em Cirurgia Veterinária - FCAV

Parâmetros oftálmicos em espécimes de Cuniculus paca criadas em cativeiro

Pós-graduação em Cirurgia Veterinária - FCAV

Efeitos da injeção de lidocaína 1% sem conservantes, em olhos de coelhos da raça Nova Zelândia Branco com uveíte

Pós-graduação em Cirurgia Veterinária - FCAV

A (des) motivação extrínseca no contexto escolar: análise de um estudo de caso

The motivation of the pupils has been pointed as one of the factors that have influenced directly about what and as they learn. The boardings social-cognitivists of the motivation point two orientations: the intrinsic, that it is seen as natural trend of the individual, in which it executes an activity for considering it attractive, and the extrinsical, with the purpose to take care of to requests or pressures of other people, or to demonstrate to aptitudes and abilities. This research investigates the extrinsical motivation and its consequences in the pertaining to school performance of a pupil considered for the professors as having learning difficulties. The results of the research indicate the influence of the pertaining to school and familiar environment in the motivation and, this in the pertaining to school performance of the pupil, pointing the relevance of studies on the thematic one.

Circulação de textos midiáticos entre alunos de escola pública básica

The text characterizes the reading of media-related materials by students of the public basic education system in the State of São Paulo, based on a systematic observation of the circulation of press texts within the school daily life. In a study carried out during two academic years with groups of students from fundamental and secondary education classes belonging to two different schools situated in the outskirts of a town in the interior of the state, the students' reports on their appropriation of media-based information obtained from a variety of sources were analyzed, with particular emphasis on written newspapers. During the period investigated individual and group interviews, as well as texts produced by the students, were taken as points of departure for the analysis. Among the aspects noted from the contact with communication media is the establishment of press information inside the school, albeit with fragmentary repercussions, not fully integrated into the pedagogical daily life, but somewhat circumstantial in the students' lives. The themes that receive more attention circulate through the television, mediated by family or peers, but not by teachers. A proposal for the analysis of these data is made, followed by concrete suggestions as to the treatment to be given to support material, texts and media-based issues at school, taking into account the resources available and the school context such as it appears nowadays.

Ocular effects of retrobulbar block with different local anesthetics in healthy dogs

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

A vergonha na escola: uma análise fenomenológica dos discursos dos alunos

It is common to feel shame in any age. This research reveals the meaning of the shame to children from a municipal school of Valinhos city (São Paulo – Brasil). The point of view of some authors who treat the subject was considered and the shame was analyzed in the student‟s experience of life The method employed was the Qualitative Reserach of the Situated Phenomenon, throug the analyses taken from each pupil and, subsequently, from the general characteristics of the speechs. The shame is every associated to the failure, to the act of err by incompetence or desobedience. Just like the authors studied show, the shame has the feeling and the thinking toghether in the children: the racional and the emotional. The shame could be considered like a circuit: the failure lead to insecurity, fear and shame. Shame is a component of the learning and sometimes can be a limit to it. Children reveals how and when they fell shame. Some authors advise that the selfconfidence and the belief in being able to do the proposed task reduces the chances of the error and, consequently, to the shame.

Alfabetização e letramento: as nuances desses fenômenos por meio dos gêneros do discurso

Literature sample that the basic literacy with literacy differentiates the development of the citizens forming them to act in critical way in society. This research had as objective to analyze nuances of the basic literacy process and literacy of a pupil who little if express verbally, in the classroom, having the discursivos sorts as entered. Case study is about a research of qualitative interpretativa boarding of the type. The data had been collected by the following instruments: systematic comment, interviews with three professors of the citizen, daily of field and written production of the citizen. The results of the research point, on the other hand, with respect to the education of the writing and initial reading that if restricts to the basic literacy concept as technique of the writing, codification and decoding, without advancing for the basic literacy as apprehension and understanding of meanings. On the other hand, they point that the initial writing is organized to reach only the independent literacy, while the ideological literacy is distant of the pertaining to school universe, in the initial years of Basic Education

Alfabetização e letramento: as nuances desses fenômenos por meio dos gêneros do discurso

Literature sample that the basic literacy with literacy differentiates the development of the citizens forming them to act in critical way in society. This research had as objective to analyze nuances of the basic literacy process and literacy of a pupil who little if express verbally, in the classroom, having the discursivos sorts as entered. Case study is about a research of qualitative interpretativa boarding of the type. The data had been collected by the following instruments: systematic comment, interviews with three professors of the citizen, daily of field and written production of the citizen. The results of the research point, on the other hand, with respect to the education of the writing and initial reading that if restricts to the basic literacy concept as technique of the writing, codification and decoding, without advancing for the basic literacy as apprehension and understanding of meanings. On the other hand, they point that the initial writing is organized to reach only the independent literacy, while the ideological literacy is distant of the pertaining to school universe, in the initial years of Basic Education

Chromatic discrimination losses in multiple sclerosis patients with and without optic neuritis using the Cambridge Colour Test

We assessed chromatic discrimination in multiple sclerosis (MS) patients both with (ON) and without (no ON) a history of optic neuritis using the Cambridge color test (CCT). Our goal was to determine the magnitude and chromatic axes of any color vision losses in both patient groups, and to evaluate age-related changes in chromatic discrimination in both patient groups compared to normals. Using the CCT, we measured chromatic discrimination along the protan, deutan and tritan axes in 35 patients with MS (17 ON eyes) and 74 age matched controls. Color thresholds for both patient groups were significantly higher than controls` along the protan and tritan axes (P < 0.001). In addition, the ON and no-ON groups differed significantly along all three-color axes (p < 0.001). MS patients presented a progressive color discrimination impairment with age (along the deutan and tritan axes) that was almost two times faster than controls, even in the absence of ON. These findings suggest that demyelinating diseases reduce sensitivity to color vision in both red-green and blue-yellow axes, implying impairment in both parvocellular and koniocellular visual pathways. The CCT is a useful tool to help characterize vision losses in MS and the relationship between these losses and degree of optic nerve involvement.

Modulation transfer function and optical quality after bilateral implantation of a+3.00 D versus a+4.00 D multifocal intraocular lens

PURPOSE: To determine whether the improvement in intermediate vision after bilateral implantation of an aspheric multifocal intraocular lens (IOL) with a +3.00 diopter (D) addition (add) occurs at the expense of optical quality compared with the previous model with a +4.00 D add. SETTING: Department of Ophthalmology, University of Sao Paulo, Sao Paulo, Brazil. DESIGN: Prospective randomized double-masked comparative clinical trial. METHODS: One year after bilateral implantation of Acrysof Restor SN6AD1 +3.00 D IOLs or Acrysof Restor SN6AD3 +4.00 D IOLs, optical quality was evaluated by analyzing the in vivo modulation transfer function (MTF) and point-spread function (expressed as Strehl ratio). The Strehl ratio and MTF curve with a 4.0 pupil and a 6.0 mm pupil were measured by dynamic retinoscopy aberrometry. The uncorrected and corrected distance visual acuities at 4 m, uncorrected and distance-corrected near visual acuities at 40 cm, and uncorrected and distance-corrected intermediate visual acuities at 50 cm, 60 cm, and 70 cm were measured. RESULTS: Both IOL groups comprised 40 eyes of 20 patients. One year postoperatively, there were no statistically significant between-group differences in the MTF or Strehl ratio with either pupil size. There were no statistically significant between-group differences in distance or near visual acuity. Intermediate visual acuity was significantly better in the +3.00 D IOL group. CONCLUSION: Results indicate that the improvement in intermediate vision in eyes with the aspheric multifocal +3.00 D add IOL occurred without decreasing optical quality over that with the previous version IOL with a +4.00 D add.

Dynamic Features for Iris Recognition

The human eye is sensitive to visible light. Increasing illumination on the eye causes the pupil of the eye to contract, while decreasing illumination causes the pupil to dilate. Visible light causes specular reflections inside the iris ring. On the other hand, the human retina is less sensitive to near infra-red (NIR) radiation in the wavelength range from 800 nm to 1400 nm, but iris detail can still be imaged with NIR illumination. In order to measure the dynamic movement of the human pupil and iris while keeping the light-induced reflexes from affecting the quality of the digitalized image, this paper describes a device based on the consensual reflex. This biological phenomenon contracts and dilates the two pupils synchronously when illuminating one of the eyes by visible light. In this paper, we propose to capture images of the pupil of one eye using NIR illumination while illuminating the other eye using a visible-light pulse. This new approach extracts iris features called "dynamic features (DFs)." This innovative methodology proposes the extraction of information about the way the human eye reacts to light, and to use such information for biometric recognition purposes. The results demonstrate that these features are discriminating features, and, even using the Euclidean distance measure, an average accuracy of recognition of 99.1% was obtained. The proposed methodology has the potential to be "fraud-proof," because these DFs can only be extracted from living irises.

Capsulorhexis rescue after peripheral radial tear-out: Quick-pull technique

We describe a technique to rescue the continuous curvilinear capsulorhexis (CCC) in cases in which complete radial tears make it impossible to use normal traction forceps. A circumferential path and rapid movement are applied in the plane of the anterior capsule in the direction of the center pupil. This technique was used in 50 cases. In 47, the CCC could be completed; in 3, it could not and surgery was continued with low-parameter phacoemulsification. No other intraoperative complications occurred.

A new species of Anchoviella Fowler, 1911 (Clupeiformes: Engraulidae) from the Amazon basin, Brazil

Anchoviella juruasanga is described from the drainages of rios Negro, Madeira, Tapajós, Trombetas, Tocantins, and Jari, in the Amazon basin, Brazil. The new species is distinguished from its congeners by having a short upper jaw, with its posterior tip extending between the verticals through anterior and posterior margins of the pupil (vs. posterior tip of upper jaw extending beyond the vertical through posterior margin of the pupil). Anchoviella juruasanga is also distinct from other strictly freshwater Amazonian species of the genus by the distance from tip of snout to posterior end of upper jaw between 8 and 11% in standard length (vs. 14% or more in A. alleni, A. carrikeri, A. guianensis, and A. jamesi). The anal-fin origin slightly posterior to or at the vertical through the base of the last dorsal-fin ray further distinguishes the new species from A. alleni (anal-fin origin posterior to the vertical through the last anal-fin ray by at least 14% of head length) and A. jamesi (anal-fin origin anterior to the vertical through the last anal-fin ray). An identification key for the Amazonian species of Anchoviella, including marine and estuarine species known to occur in the lower portion of the basin, is presented.

Development of human visual system analysis for the implementation of a new instrument for flicker measurement

Flicker is a power quality phenomenon that applies to cycle instability of light intensity resulting from supply voltage fluctuation, which, in turn can be caused by disturbances introduced during power generation, transmission or distribution. The standard EN 61000-4-15 which has been recently adopted also by the IEEE as IEEE Standard 1453 relies on the analysis of the supply voltage which is processed according to a suitable model of the lamp – human eye – brain chain. As for the lamp, an incandescent 60 W, 230 V, 50 Hz source is assumed. As far as the human eye – brain model is concerned, it is represented by the so-called flicker curve. Such a curve was determined several years ago by statistically analyzing the results of tests where people were subjected to flicker with different combinations of magnitude and frequency. The limitations of this standard approach to flicker evaluation are essentially two. First, the provided index of annoyance Pst can be related to an actual tiredness of the human visual system only if such an incandescent lamp is used. Moreover, the implemented response to flicker is “subjective” given that it relies on the people answers about their feelings. In the last 15 years, many scientific contributions have tackled these issues by investigating the possibility to develop a novel model of the eye-brain response to flicker and overcome the strict dependence of the standard on the kind of the light source. In this light of fact, this thesis is aimed at presenting an important contribution for a new Flickermeter. An improved visual system model using a physiological parameter that is the mean value of the pupil diameter, has been presented, thus allowing to get a more “objective” representation of the response to flicker. The system used to both generate flicker and measure the pupil diameter has been illustrated along with all the results of several experiments performed on the volunteers. The intent has been to demonstrate that the measurement of that geometrical parameter can give reliable information about the feeling of the human visual system to light flicker.