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Avaliação da acuidade visual e da ceratometria após a cirurgia do pterígio Translated title: Change in visual acuity and keratometry after pterygium surgery

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      Abstract

      RESUMO O estudo consistiu na avaliação da acuidade visual e da ceratometria pré e pós-cirúrgica do pterígio. Foram estudados 21 pacientes consecutivos portadores de pterígio medial primário, idades variando de 22 a 66 anos (idade média 44,71) de março a novembro de 1993. No pré-operatório, 18 (85,7%) dos pacientes tinham astigmatismo a favor da regra. No pós-operatório observou-se melhora da acuidade visual em 16 (76,2%) pacientes e diminuição do astigmatismo em 17 (81%). Não ocorreu variação da acuidade visual e da ceratometria no intervalo do 1º para o 3º mês de pós-operatório.

      Translated abstract

      SUMMARY We evaluated visual acuity and keratometry variations in twenty one patients that underwent surgery for pterygium removal. Measurements were performed preoperative, 1 and 3 months after surgery. Uncorrected visual acuity improved in 16 (76,2%) patients. Seventeen (81%) patients presented significant reduction of corneal astigmatism. Further studies are necessary to better understand the effects of pterygium on visual acuity.

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      Most cited references 5

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      Corneal changes associated with chronic UV irradiation.

      The association between exposure to UV radiation and corneal disease was investigated in 838 watermen who work on the Chesapeake Bay, Maryland. Individual ocular exposure was calculated by combining a detailed occupational history with laboratory and field measurements. Pterygium was found in 140, climatic droplet keratopathy in 162, and pinguecula in 642. Logistic regression analysis showed that pterygium and climatic droplet keratopathy were significantly associated with a broad band of UV radiation exposure (UV-B, 290 to 320 nm; A1, 320 to 340 nm; and A2, 340 to 400 nm), but the association with pinguecula was weaker. Simple measures such as wearing a hat or spectacles protect the eye and could potentially reduce the amount of pterygium and climatic droplet keratopathy attributable to UV radiation exposure.
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        Pterygium: its incidence, heredity and etiology.

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          Pathogenesis of pterygium

           JC Hill,  R Maske,  J. HILL (1989)
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            Author and article information

            Affiliations
            Bahia orgnameHospital Castro Lima Brazil
            orgnameUniversidade de São Paulo orgdiv1Faculdade de Medicina de Ribeirão Preto Brazil
            São Paulo orgnameUniversidade Federal de São Paulo Brazil
            Bahia orgnameHospital Humberto Castro Lima Brazil
            orgnameInstituto de Oftalmologia de Manaus Brazil
            São Paulo orgnameUniversidade Federal de São Paulo orgdiv1Departamento de Oftalmologia Brazil
            Contributors
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Journal
            abo
            Arquivos Brasileiros de Oftalmologia
            Arq. Bras. Oftalmol.
            Conselho Brasileiro de Oftalmologia (São Paulo, SP, Brazil )
            0004-2749
            1678-2925
            December 1996
            : 59
            : 6
            : 614-616
            S0004-27491996000600614
            10.5935/0004-2749.19960012

            This work is licensed under a Creative Commons Attribution 4.0 International License.

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            Figures: 0, Tables: 0, Equations: 0, References: 10, Pages: 3
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            Product Information: SciELO Brazil

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