2007
DOI: 10.1590/s0034-72802007000600002
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Prevalência do astigmatismo e distribuição de seu eixo em pacientes de um serviço oftalmológico privado

Abstract: RESUMOObjetivo: Verificar a prevalência do astigmatismo e a variação de seu eixo nas várias faixas etárias (2-99 anos) em uma população de uma clínica oftalmológica privada na cidade de Florianópolis, Santa Catarina, Brasil. Métodos: Foi realizado um estudo retrospectivo, descritivo, transversal com base na análise de prontuários. Foi considerado astigmatismo uma diferença entre o maior e menor meridiano da córnea de -0,50 dioptrias(D) ou mais. Quanto ao eixo, consideramos: astigmatismo a favor da regra: entre… Show more

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Cited by 4 publications
(3 citation statements)
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“…The prevalence of astigmatism in the young population was approximately 50% and showed an increased frequency with age, exceeding 70% in the eighth decade of life, similar to other studies . However, in a Brazilian study involving a convenience sample, the prevalence of astigmatism (≥−0.50D) was 58% in subjects ≤40 years of age and decreased in frequency after the age of 70 . As has been reported many times, astigmatism changed from with‐the‐rule in young patients to against‐the‐rule in older patients .…”
Section: Discussionsupporting
confidence: 86%
See 1 more Smart Citation
“…The prevalence of astigmatism in the young population was approximately 50% and showed an increased frequency with age, exceeding 70% in the eighth decade of life, similar to other studies . However, in a Brazilian study involving a convenience sample, the prevalence of astigmatism (≥−0.50D) was 58% in subjects ≤40 years of age and decreased in frequency after the age of 70 . As has been reported many times, astigmatism changed from with‐the‐rule in young patients to against‐the‐rule in older patients .…”
Section: Discussionsupporting
confidence: 86%
“…However, in a Brazilian study involving a convenience sample, the prevalence of astigmatism (≥−0.50D) was 58% in subjects ≤40 years of age and decreased in frequency after the age of 70 . As has been reported many times, astigmatism changed from with‐the‐rule in young patients to against‐the‐rule in older patients . Our refractive examination was performed under cycloplegia in the subjects ≤40 years old, obtained using two drops of cyclopentolate 1% which might have had an important influence on the number of myopic and hyperopic RE detected.…”
Section: Discussionmentioning
confidence: 87%
“…Sabemos através dos resultados apontados por diversas pesquisas que a prevalência de astigmatismo na população geral gira em torno de 35 a 50% na maioria dos estudos (3,(14)(15)(16) . Isto resulta em uma grande quantidade de pessoas que permanecem dependentes de óculos após a cirurgia de catarata quando ela corrige somente o componente esférico.…”
Section: Discussionunclassified