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[PMID]:29447172
[Au] Autor:Alemayehu AM; Belete GT; Adimassu NF
[Ad] Endereço:Department of Optometry, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia.
[Ti] Título:Knowledge, attitude and associated factors among primary school teachers regarding refractive error in school children in Gondar city, Northwest Ethiopia.
[So] Source:PLoS One;13(2):e0191199, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:INTRODUCTION: Refractive error is an important cause of correctable visual impairment in the worldwide with a global distribution of 1.75% to 20.7% among schoolchildren. Teacher's knowledge about refractive error play an important role in encouraging students to seek treatment that helps in reducing the burden of visual impairment. OBJECTIVE: To determine knowledge, attitude and associated factors among primary school teachers regarding refractive error in school children in Gondar city. METHODS: Institution based cross-sectional study was conducted on 565 primary school teachers in Gondar city using pretested and structured self-administered questionnaire. For processing and analysis, SPSS version 20 was used and variables which had a P value of <0.05 in the multivariable analysis were considered as statistically significant. RESULT: A total of 565 study subjects were participated in this study with a mean age of 42.05 ± 12.01 years. Of these study participants 55.9% (95% CI: 51.9, 59.8) had good knowledge and 57.2% (95% CI: 52.9, 61.4) had favorable attitude towards refractive error. History of spectacle use [AOR = 2.13 (95% CI: 1.32, 3.43)], history of eye examination [AOR = 1.67 (95% CI: 1.19, 2.34)], training on eye health [AOR = 1.94 (95% CI; 1.09, 3.43)] and 11-20 years of experience [AOR = 2.53 (95% CI: 1.18, 5.43)] were positively associated with knowledge. Whereas being male [AOR = 2.03 (95% CI: 1.37, 3.01)], older age [AOR = 3.05 (95% CI: 1.07, 8.72)], 31-40 years of experience [AOR = 0.23 (95% CI: 0.07, 0.72)], private school type [AOR = 1.76 (95% CI: 1.06, 2.93)] and 5th -8th teaching category [AOR = 1.54 (95% CI: 1.05, 2.24)] were associated with attitude. CONCLUSION: Knowledge and attitude of study subjects were low which needs training of teachers about the refractive error.
[Mh] Termos MeSH primário: Conhecimentos, Atitudes e Prática em Saúde
Capacitação de Professores/métodos
[Mh] Termos MeSH secundário: Adulto
Estudos Transversais
Etiópia
Óculos
Feminino
Seres Humanos
Conhecimento
Masculino
Meia-Idade
Erros de Refração/diagnóstico
Erros de Refração/etiologia
Erros de Refração/prevenção & controle
Fatores de Risco
Professores Escolares
Instituições Acadêmicas
Estudantes
Inquéritos e Questionários
Capacitação de Professores/classificação
Baixa Visão
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180309
[Lr] Data última revisão:
180309
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180216
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0191199


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[PMID]:28471101
[Au] Autor:Kim BH; Yu YS; Kim SJ
[Ad] Endereço:Department of Ophthalmology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
[Ti] Título:Ophthalmologic Features of Lennox-Gastaut Syndrome.
[So] Source:Korean J Ophthalmol;31(3):263-267, 2017 Jun.
[Is] ISSN:2092-9382
[Cp] País de publicação:Korea (South)
[La] Idioma:eng
[Ab] Resumo:PURPOSE: To describe the characteristics and frequency of ophthalmologic findings in patients with Lennox-Gastaut syndrome (LGS). METHODS: The medical records of patients diagnosed with LGS at Seoul National University Children's Hospital from January 2004 to August 2014 were retrospectively reviewed. The records of 34 patients (mean age ± standard deviation, 2.66 ± 3.51 years; male, 58.8%) were reviewed. The primary measure was the incidence of ophthalmologic manifestations. RESULTS: Of the 34 patients, 88.2% had at least one ocular abnormality. Refractive error (52.9%) was the most frequently observed ophthalmologic manifestation in patients with LGS, followed by strabismus (32.4%), cortical visual impairment (23.5%), and retinopathy of prematurity (8.8%). Among these cases, seven patients had exotropia and three had esotropia. CONCLUSIONS: LGS is a childhood-onset epileptic encephalopathy with variable ophthalmologic manifestations, the most frequent being refractive errors. Patients with suspected LGS should be examined regularly because ophthalmological features can change during their disease course.
[Mh] Termos MeSH primário: Movimentos Oculares/fisiologia
Síndrome de Lennox Gastaut/complicações
Refração Ocular/fisiologia
Erros de Refração/etiologia
Estrabismo/etiologia
[Mh] Termos MeSH secundário: Adolescente
Encéfalo/patologia
Criança
Pré-Escolar
Feminino
Seres Humanos
Lactente
Recém-Nascido
Síndrome de Lennox Gastaut/diagnóstico
Imagem por Ressonância Magnética
Masculino
Erros de Refração/diagnóstico
Erros de Refração/fisiopatologia
Estrabismo/diagnóstico
Estrabismo/fisiopatologia
Testes Visuais
Acuidade Visual
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1710
[Cu] Atualização por classe:180308
[Lr] Data última revisão:
180308
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170505
[St] Status:MEDLINE
[do] DOI:10.3341/kjo.2015.0161


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[PMID]:29268725
[Au] Autor:Dhungel D; Shrestha GS
[Ad] Endereço:Private Practice Optometrist, Kathmandu, Nepal.
[Ti] Título:Visual symptoms associated with refractive errors among Thangka artists of Kathmandu valley.
[So] Source:BMC Ophthalmol;17(1):258, 2017 Dec 21.
[Is] ISSN:1471-2415
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Prolong near work, especially among people with uncorrected refractive error is considered a potential source of visual symptoms. The present study aims to determine the visual symptoms and the association of those with refractive errors among Thangka artists. METHODS: In a descriptive cross-sectional study, 242 (46.1%) participants of 525 thangka artists examined, with age ranged between 16 years to 39 years which comprised of 112 participants with significant refractive errors and 130 absolutely emmetropic participants, were enrolled from six Thangka painting schools. The visual symptoms were assessed using a structured questionnaire consisting of nine items and scoring from 0 to 6 consecutive scales. The eye examination included detailed anterior and posterior segment examination, objective and subjective refraction, and assessment of heterophoria, vergence and accommodation. Symptoms were presented in percentage and median. Variation in distribution of participants and symptoms was analysed using the Kruskal Wallis test for mean, and the correlation with the Pearson correlation coefficient. A significance level of 0.05 was applied for 95% confidence interval. The majority of participants (65.1%) among refractive error group (REG) were above the age of 30 years, with a male predominance (61.6%), compared to the participants in the normal cohort group (NCG), where majority of them (72.3%) were below 30 years of age (72.3%) and female (51.5%). RESULT: Overall, the visual symptoms are high among Thangka artists. However, blurred vision (p = 0.003) and dry eye (p = 0.004) are higher among the REG than the NCG. Females have slightly higher symptoms than males. Most of the symptoms, such as sore/aching eye (p = 0.003), feeling dry (p = 0.005) and blurred vision (p = 0.02) are significantly associated with astigmatism. CONCLUSION: Thangka artists present with significant proportion of refractive error and visual symptoms, especially among females. The most commonly reported symptoms are blurred vision, dry eye and watering of the eye. The visual symptoms are more correlated with astigmatism.
[Mh] Termos MeSH primário: Arte
Refração Ocular/fisiologia
Erros de Refração/epidemiologia
Acuidade Visual
[Mh] Termos MeSH secundário: Adolescente
Adulto
Estudos Transversais
Feminino
Seres Humanos
Masculino
Nepal/epidemiologia
Prevalência
Erros de Refração/diagnóstico
Erros de Refração/fisiopatologia
Inquéritos e Questionários
Testes Visuais
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180228
[Lr] Data última revisão:
180228
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171223
[St] Status:MEDLINE
[do] DOI:10.1186/s12886-017-0659-0


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[PMID]:29422753
[Au] Autor:Alsaqr AM; Ibrahim G; Sharha AA; Fagehi R
[Ad] Endereço:Department of Optometry, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia.
[Ti] Título:Investigating the Visual Status Of Preschool Children in Riyadh, Saudi Arabia.
[So] Source:Middle East Afr J Ophthalmol;24(4):190-194, 2017 Oct-Dec.
[Is] ISSN:0975-1599
[Cp] País de publicação:India
[La] Idioma:eng
[Ab] Resumo:PURPOSE: The purpose of the study was to explore the vision status of preschool children aged 3-6 years in Al Riyadh and to identify children at risk of amblyopia. MATERIALS AND METHODS: This was a cross-sectional population-based study. Visual acuity (VA) was measured using 15-line Lea symbols, refractive error was assessed using the Mohindra near retinoscopy technique, and peak contrast sensitivity (CS) was measured with the aid of the numerical CS test. We recruited 335 children, with their parents' written consent, from 14 kindergartens. RESULTS: A total of 335 children were recruited; 42 children (13%) exhibited reduced VA (Median [interquartile ranges (IQRs)], 0.00 [0.01]); most were emmetropic (87.7%). Myopia (4.2%), hyperopia (8.1%), and astigmatism (20%) were also observed. Most children had normal CSs. About 14% of children were at risk of amblyopia. It has been observed that 26% of families have some kind of refractive error. CONCLUSIONS: It is important to perform vision screening of preschoolers. Early detection of abnormalities in refractive errors could help to minimize the effect of visual impairment.
[Mh] Termos MeSH primário: Ambliopia/epidemiologia
Erros de Refração/epidemiologia
Transtornos da Visão/epidemiologia
Acuidade Visual/fisiologia
[Mh] Termos MeSH secundário: Ambliopia/diagnóstico
Ambliopia/fisiopatologia
Criança
Pré-Escolar
Estudos Transversais
Feminino
Seres Humanos
Masculino
Erros de Refração/diagnóstico
Erros de Refração/fisiopatologia
Arábia Saudita/epidemiologia
Transtornos da Visão/diagnóstico
Transtornos da Visão/fisiopatologia
Seleção Visual
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180223
[Lr] Data última revisão:
180223
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180210
[St] Status:MEDLINE
[do] DOI:10.4103/meajo.MEAJO_123_17


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[PMID]:29227507
[Au] Autor:Nistad K; Göransson F; Støle E; Shams H; Gjerdrum B
[Ti] Título:The Use of Capsular Tension Rings to Reduce Refractive Shift in Patients With Implantation of Trifocal Intraocular Lenses.
[So] Source:J Refract Surg;33(12):802-806, 2017 Dec 01.
[Is] ISSN:1081-597X
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:PURPOSE: To determine whether use of a capsular tension ring (CTR) can increase refractive stability in patients with implantation of two different trifocal intraocular lenses (IOLs). METHODS: A prospective, consecutive series of eyes underwent refractive lens exchange with implantation of two different trifocal IOL designs: FineVision Micro F (non-toric) and FineVision POD FT (toric) (PhysIOL, Liege, Belgium). Power calculation was determined using the Haigis formula. Refractive lens exchange surgery was performed according to the standard Memira protocol. Refractive results and stability were assessed at 2 weeks and 3 months postoperatively. RESULTS: Three hundred eighty-eight eyes were included in the analysis. Overall, 71% and 76% of MicroF eyes implanted with (n = 139) and without (n = 104) a CTR, respectively, had hyperopic shift; 9% of MicroF eyes with a CTR had a shift of greater than +0.50 to +0.75 or less diopters (D) and 4% had a shift of greater than +0.75 D. In MicroF eyes without a CTR, 12% and 3% of eyes experienced a refractive shift of greater than +0.50 to +0.75 D or less and greater than +0.75 D, respectively. In the POD FT group, 72% and 69% of eyes with (n = 81) and without (n = 64) a CTR, respectively, had hyperopic shift; 10% of POD FT eyes with a CTR had a change of greater than +0.50 to +0.75 D or less and 7% had a shift of greater than +0.75 D. In POD FT eyes without a CTR, 13% and 3% experienced a refractive shift of greater than +0.50 to +0.75 D or less and greater than +0.75 D, respectively. For the MicroF design, the best refractive stability was found in the CTR group and the poorest stability in the non-CTR group (P = .084). For the POD FT design, the best refractive stability was found in the non-CTR group and the poorest stability in the CTR group (P = .297). CONCLUSIONS: Up to 7% of eyes implanted with FineVision trifocal IOLs had a hyperopic shift of greater than +0.75 D approximately 2 weeks to 3 months postoperatively. Using a CTR in MicroF eyes had no statistically significant effect on refractive stability. Placing a CTR with POD FT IOLs appeared to reduce refractive stability, although not significantly. [J Refract Surg. 2017;33(12):802-806.].
[Mh] Termos MeSH primário: Lentes Intraoculares
Facoemulsificação
Próteses e Implantes
Implante de Prótese
Erros de Refração/prevenção & controle
[Mh] Termos MeSH secundário: Idoso
Feminino
Seres Humanos
Implante de Lente Intraocular
Masculino
Meia-Idade
Estudos Prospectivos
Pseudofacia/fisiopatologia
Refração Ocular/fisiologia
Testes Visuais
Acuidade Visual/fisiologia
[Pt] Tipo de publicação:COMPARATIVE STUDY; JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180223
[Lr] Data última revisão:
180223
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171212
[St] Status:MEDLINE
[do] DOI:10.3928/1081597X-20170829-02


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[PMID]:29439666
[Au] Autor:Thapa R; Bajimaya S; Paudyal G; Khanal S; Tan S; Thapa SS; van Rens GHMB
[Ad] Endereço:Vitreo-retina Service, Tilganga Institute of Ophthalmology, P O Box 561, Kathmandu, Nepal. rabathapa@live.com.
[Ti] Título:Prevalence and causes of low vision and blindness in an elderly population in Nepal: the Bhaktapur retina study.
[So] Source:BMC Ophthalmol;18(1):42, 2018 Feb 13.
[Is] ISSN:1471-2415
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: This study aims to explore the prevalence and causes of low vision and blindness focused on retinal disease in a population above 60 years in Nepal. METHODS: Two thousand one hundred subjects were enrolled in a population-based cross-sectional study. History, presenting and best corrected visual acuity after subjective refraction, anterior and posterior segment examinations was obtained in detail. RESULTS: Among the total subjects, 1860 (88.57%) had complete information. Age varies from 60 to 95 (mean age: 69.64 ± 7.31) years. Low vision and blindness in both eyes at presentation was found in 984 (52.90%, 95% confidence interval (CI): 50.60-55.19) and 36 (1.94%, 95% CI: 1.35-2.66) subjects respectively. After best correction, bilateral low vision and blindness was found in 426 (22.92%, 95% CI: 21.01-24.88), and 30 (1.61%, 95% CI: 0.10-2.30) subjects respectively. As compared to 60-69 years old, risk of visual impairment was four times higher (95% CI:3.26-5.58) in the 70-79 year olds and 14 times higher (95% CI: 9.72-19.73) in the age group 80 years and above. Major causes of bilateral low vision were cataract (68.07%), followed by retinal disorders (28.64%), and for blindness; retinal disorders (46.66%), followed by cataract (43.33%). Illiteracy was significantly associated with visual impairment. CONCLUSION: Among the elderly population, prevalence of visual impairment was high. Refractive error, cataract and retinal disorders were the major cause of low vision. Screening the population at the age 60 years and above, focused on cataract and posterior segment diseases, providing glasses and timely referral can help reduce visual impairment.
[Mh] Termos MeSH primário: Cegueira/epidemiologia
Baixa Visão/epidemiologia
Pessoas com Deficiência Visual/estatística & dados numéricos
[Mh] Termos MeSH secundário: Distribuição por Idade
Idoso
Idoso de 80 Anos ou mais
Catarata/epidemiologia
Estudos Transversais
Feminino
Seres Humanos
Masculino
Meia-Idade
Nepal/epidemiologia
Prevalência
Refração Ocular/fisiologia
Erros de Refração/epidemiologia
Doenças Retinianas/epidemiologia
Fatores de Risco
Distribuição por Sexo
Inquéritos e Questionários
Acuidade Visual/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180218
[Lr] Data última revisão:
180218
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180215
[St] Status:MEDLINE
[do] DOI:10.1186/s12886-018-0710-9


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[PMID]:29433477
[Au] Autor:Li Y; Huang W; Qiqige A; Zhang H; Jin L; Ti P; Yip J; Xiao B
[Ad] Endereço:The Affiliated Eye Hospital of Nanchang University, Nanchang City, China.
[Ti] Título:Prevalence and causes of blindness, visual impairment among different ethnical minority groups in Xinjiang Uygur autonomous region, China.
[So] Source:BMC Ophthalmol;18(1):41, 2018 Feb 13.
[Is] ISSN:1471-2415
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: The aim of this cross-sectional study is to ascertain the prevalence and causes of blindness, visual impairment, uptake of cataract surgery among different ethnic groups in Xinjiang Uygur Autonomous Region, China. METHODS: Four thousand one hundred fifty people at 50 years and above from different minority ethnic groups were randomly selected for an eye examination. The four trained eye teams collected data using tumbling E visual chart, torch, portable slit lamp and direct ophthalmoscope in 2015. The World Health Organization's definition of blindness and visual impairment (VI) was used to classify patients in each ethnic group. Data were analyzed by different minority groups and were compared with Han Chinese. RESULTS: 3977 (95.8%) out of 4150 people were examined. The prevalence of blindness from the study population was 1.7% (95% confidence interval: 1.3-2.2%).There was no significant difference in prevalence of blindness between Han Chinese and people of Khazak and other minority ethnic groups, nor, between male and female. Cataract was the leading course (65.5%) of blindness and uncorrected refractive error was the most common cause of VI (36.3%) followed by myopic retinopathy. The most common barrier to cataract surgery was lack of awareness of service availability. CONCLUSIONS: This study documented a low blindness prevalence among people aged 50 years and over comparing to prevalence identified through studies of other regions in China. It still indicates blindness and un-operated cataract as the significant public health issue, with no evidence of eye health inequalities, but some inequities in accessing to cataract surgery amongst ethnic minority groups in Xinjiang.
[Mh] Termos MeSH primário: Grupo com Ancestrais do Continente Asiático/etnologia
Cegueira/etnologia
Grupos Minoritários/estatística & dados numéricos
Baixa Visão/etnologia
Pessoas com Deficiência Visual/estatística & dados numéricos
[Mh] Termos MeSH secundário: Distribuição por Idade
Idoso
Idoso de 80 Anos ou mais
Catarata/etnologia
China/epidemiologia
Estudos Transversais
Grupos Étnicos
Feminino
Acesso aos Serviços de Saúde/estatística & dados numéricos
Seres Humanos
Masculino
Meia-Idade
Exame Físico
Prevalência
Erros de Refração/etnologia
Doenças Retinianas/etnologia
Distribuição por Sexo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180218
[Lr] Data última revisão:
180218
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180214
[St] Status:MEDLINE
[do] DOI:10.1186/s12886-018-0705-6


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[PMID]:28450052
[Au] Autor:Jennings BJ; Kingdom FAA
[Ad] Endereço:McGill Vision Research, Department of Ophthalmology, Montreal General Hospital, McGill University, Montreal, Quebec, Canada. Electronic address: ben.jennings@mcgill.ca.
[Ti] Título:Chromatic blur perception in the presence of luminance contrast.
[So] Source:Vision Res;135:34-42, 2017 06.
[Is] ISSN:1878-5646
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Hel-Or showed that blurring the chromatic but not the luminance layer of an image of a natural scene failed to elicit any impression of blur. Subsequent studies have suggested that this effect is due either to chromatic blur being masked by spatially contiguous luminance edges in the scene (Journal of Vision 13 (2013) 14), or to a relatively compressed transducer function for chromatic blur (Journal of Vision 15 (2015) 6). To test between the two explanations we conducted experiments using as stimuli both images of natural scenes as well as simple edges. First, we found that in color-and-luminance images of natural scenes more chromatic blur was needed to perceptually match a given level of blur in an isoluminant, i.e. colour-only scene. However, when the luminance layer in the scene was rotated relative to the chromatic layer, thus removing the colour-luminance edge correlations, the matched blur levels were near equal. Both results are consistent with Sharman et al.'s explanation. Second, when observers matched the blurs of luminance-only with isoluminant scenes, the matched blurs were equal, against Kingdom et al.'s prediction. Third, we measured the perceived blur in a square-wave as a function of (i) contrast (ii) number of luminance edges and (iii) the relative spatial phase between the colour and luminance edges. We found that the perceived chromatic blur was dependent on both relative phase and the number of luminance edges, or dependent on the luminance contrast if only a single edge is present. We conclude that this Hel-Or effect is largely due to masking of chromatic blur by spatially contiguous luminance edges.
[Mh] Termos MeSH primário: Percepção de Cores/fisiologia
Sensibilidades de Contraste/fisiologia
Erros de Refração/fisiopatologia
[Mh] Termos MeSH secundário: Seres Humanos
Luz
Estimulação Luminosa
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180213
[Lr] Data última revisão:
180213
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170429
[St] Status:MEDLINE


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[PMID]:29253884
[Au] Autor:Yang S; Whang WJ; Joo CK
[Ad] Endereço:Department of Ophthalmology and Visual Science, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
[Ti] Título:Effect of anterior chamber depth on the choice of intraocular lens calculation formula.
[So] Source:PLoS One;12(12):e0189868, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:PURPOSE: To investigate the effect of anterior chamber depth (ACD) on the refractive outcomes of the SRK/T, Holladay 1, Hoffer Q and Haigis formulae in short, normal, long and extremely long eyes. METHODS: This retrospective study involved patients who had uncomplicated cataract surgery. Preoperative axial length (AL) was divided into four subgroups: short (< 22.00 mm), normal (22.00-24.49 mm), long (24.50-25.99 mm), extremely long (≥ 26.00 mm). Preoperative ACD was divided into three subgroups: < 2.5, 2.50-3.49, and ≥ 3.5 mm. Median absolute errors (MedAEs) predicted by the SRK/T, Holladay 1, Hoffer Q and Haigis formulae were compared with the Friedman test. Post-hoc analysis involved the Wilcoxon signed rank test with a Bonferroni adjustment. Correlations between ACD and the predictive refractive errors of the four formulas were analyzed. RESULTS: In short eyes with an ACD < 2.5 mm, the Haigis formula revealed the highest MedAE. The difference in MedAE with the Hoffer Q formula (which had the lowest MedAE) was statistically significant (P = 0.002). In normal eyes, the Haigis formula significantly differed from the Holladay 1 (P = 0.002) and Hoffer Q (P = 0.005) formulae in the ACD < 2.5 mm group. In long eyes and extremely long eyes with an ACD ≥ 3.5 mm, the differences in MedAEs were statistically significant (P = 0.018, P = 0.001, respectively) and the Haigis formula had the lowest MedAEs in both subgroups (0.29 D, 0.30 D, respectively). In the total of 1,123 eyes, refractive errors predicted by the Haigis formula showed a significant negative correlation with the ACD (R2 = 0.002, P = 0.047). CONCLUSIONS: The Hoffer Q formula is preferred over other formulae in short eyes with an ACD shallower than 2.5 mm. In short and normal eyes with an ACD < 2.5 mm the Haigis formula might underestimate ELP. The Haigis formula is the preferred choice in eyes with an AL ≥ 24.5 mm and an ACD ≥ 3.5 mm.
[Mh] Termos MeSH primário: Extração de Catarata/métodos
Implante de Lente Intraocular
Lentes Intraoculares
Refração Ocular
[Mh] Termos MeSH secundário: Adulto
Idoso
Idoso de 80 Anos ou mais
Câmara Anterior/anatomia & histologia
Feminino
Seres Humanos
Masculino
Meia-Idade
Período Pós-Operatório
Erros de Refração
Estudos Retrospectivos
Razão Sinal-Ruído
Resultado do Tratamento
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180112
[Lr] Data última revisão:
180112
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171219
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0189868


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[PMID]:29253002
[Au] Autor:Saxena R; Vashist P; Tandon R; Pandey RM; Bhardawaj A; Gupta V; Menon V
[Ad] Endereço:Department of Ophthalmology, Dr Rajendra Prasad Center for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India.
[Ti] Título:Incidence and progression of myopia and associated factors in urban school children in Delhi: The North India Myopia Study (NIM Study).
[So] Source:PLoS One;12(12):e0189774, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:AIM: To evaluate the incidence and progression of myopia and factors associated with progression of myopia in school going children in Delhi. METHODS: Prospective longitudinal study of 10,000 school children aged 5 to 15 years screened after an interval of 1 year to identify new myopes (Spherical Equivalent≤ -0.5D) and progression of myopia in previously diagnosed myopic children. Association between risk factors and progression was analyzed using adjusted odds ratio. RESULTS: Of the 9,616 children re-screened (97.3% coverage), annual incidence of myopia was 3.4%with mean dioptric change of -1.09 ± 0.55. There was a significant higher incidence of myopia in younger children compared to older children (P = 0.012) and among girls compared to boys (P = 0.002). Progression was observed in 49.2%children with mean dioptric change of -0.27 ± 0.42 diopters. The demographic and behavioral risk factors were analyzed for children with progression (n = 629) and adjusted odds ratio values were estimated. Hours of reading-writing/week (p<0.001), use of computers/ video games (P<0.001) and watching television (P = 0.048) were significant risk factors for progression of myopia. Outdoor activities / time spent outdoors> 2 hours in a day were protective with an inverse association with progression of myopia (P< 0.001). CONCLUSION: Myopia is an important health issue in India and is associated with long hours of reading and screen time with use of computers and video games. An annual eye vision screening should be conducted, and outdoor activities be promoted to prevent the increase of myopia among school children.
[Mh] Termos MeSH primário: Miopia/diagnóstico
Miopia/epidemiologia
[Mh] Termos MeSH secundário: Adolescente
Criança
Pré-Escolar
Computadores
Currículo
Progressão da Doença
Feminino
Comportamentos Relacionados com a Saúde
Seres Humanos
Incidência
Índia/epidemiologia
Estudos Longitudinais
Masculino
Razão de Chances
Estudos Prospectivos
Refração Ocular
Erros de Refração
Fatores de Risco
Inquéritos e Questionários
Jogos de Vídeo
Visão Ocular
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180108
[Lr] Data última revisão:
180108
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171219
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0189774



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