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      PRUEBAS DE VISIÓN POTENCIAL EN PACIENTES CATARATOSOS. HOSPITAL UNIVERSITARIO DE CARACAS. ENERO - AGOSTO 2005

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          Abstract

          El PAM test, test de Lotmar y diversos interferómetros son los más utilizados para pruebas subjetivas de potencial de visión, por lo que evaluamos la utilidad del PAM en la evaluación preoperatoria de pacientes con cataratas, mediante la recopilación de la AV posoperatoria. Se valoraron 320 ojos de 300 pacientes, entre 40 a 60 años, que acudieron a la consulta de catarata del Hospital Universitario de Caracas, enero - agosto de 2005. El 59,38 % correspondió al sexo masculino. La AV de ingreso preoperatorio fue -0,6 a -0,7 con 62,50 %. El PAM de estos pacientes con 31,25 % fue de -0,50. El 68,75 % mejoraron 3 o más renglones de la cartilla de Snellen. El 62,50 % de los pacientes a los tres meses cursaban con agudeza visual de 0,00, y un 1,56 % presentó una agudeza visual de -0,70. Las pruebas de PAM predicen la agudeza visual posoperatoria en pacientes con grados leves de cataratas.

          Translated abstract

          PAM test, Lotmar test and interpherometer variation which are used for subject test of visual potential, for that reason we used the PAM in the pre operation evaluation of cataract patients, with the recompilation of the visual acuty post operation. We evaluated 320 eyes of 300 patients, between 40 - 60 years old that look up to the cataracts consult of Hospital Universitario de Caracas, January - August 2005. The 59.38 % were male. The visual acuty pre-operation was -0.6 a -0.7 with 62.50 %. The PAM of these patients was -0.50 with 31.25 %. The 68.75 % get better in 3 and more lines of the Snellen cart. The 62.50 % of the patient in three mounts had presented a visual acuty in 0.00, and a 1.56% had presented and visual acuty in -0.70. The PAM test predicted the visual acuty post operation in patients with cataracts incipient.

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          Prevalence of age-related lens opacities in a population. The Beaver Dam Eye Study.

          Age-related lens opacities are common and are a frequent cause of loss of vision. The Beaver Dam Eye Study was designed to estimate the prevalence and severity of lens opacities in a rural community in the United States. Adults between the ages of 43 and 84 years, identified by private census, were examined and participated in the study (n = 4926). Photographs were taken of the lenses and were graded in masked fashion according to a standardized protocol. For nuclear sclerosis, more severe levels occurred more commonly in older age groups and in women. Overall, 17.3% had nuclear sclerosis more severe than level 3 in a 5-step scale of severity. Cortical opacities increased with increasing age and were more common in women. They were found in 16.3% of the population. Posterior subcapsular opacities occur in 6.0% of the population. There was a significant trend of greater prevalence at older ages, but no sex effect. The frequency of early cataract increased in both sexes through the age group 65 to 74 years, but declined in those 75 years of age and older. The frequency of late cataract increased consistently with age. Women were more severely affected than men. This study confirms that lens opacities are common in adults in the United States. These data are important for providing for social and health care needs. It is important to determine causes of cataracts in order to develop preventive programs.
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            Development of a reading speed test for potential-vision measurements.

            Previous studies suggest that optimal reading speed is unaffected by cataract, yet is significantly reduced in age-related macular degeneration (ARMD ). This raises the question of whether a reading speed test could be developed to assess potential vision after cataract surgery.
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              • Abstract: not found
              • Article: not found

              Potential acuity meter accuracy in cataract patients

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                Author and article information

                Journal
                rfm
                Revista de la Facultad de Medicina
                RFM
                Universidad Central de Venezuela. Facultad de Medicina. Comisión de Publicaciones de la Facultad de Medicina (Caracas, Distrito Capital, Venezuela )
                0798-0469
                June 2005
                : 28
                : 2
                : 134-138
                Affiliations
                [01] Caracas orgnamePosgrado de Oftalmologia del Hospital Universitario de Caracas fesgod@ 123456hotmail.com
                [03] Ciudad Bolívar orgnameCentro Oftalmologico San Jorge
                [02] orgnameHUC orgdiv1UCV
                Article
                S0798-04692005000200006 S0798-0469(05)02800206
                8250561e-d9b0-4b46-a5f1-24fcb56985a7

                http://creativecommons.org/licenses/by/4.0/

                History
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 15, Pages: 5
                Product

                SciELO Venezuela

                Categories
                Trabajos Originales

                PAM,Catarata,Cataracts
                PAM, Catarata, Cataracts

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