RESUMO
Objetivos: Estudiar la adaptación de lentes de contacto en 133 ojos con astigmatismos irregulares. Material y métodos: Se realizó un estudio retrospectivo en 133 ojos con astigmatismos irregulares. El criterio de inclusión fue tener un astigmatismo irregular imposible de corregir con gafas o con lentes de contacto de diseño estandard. Se efectuó una exploración oftalmológica completa, incluyendo topografía con Eye-Sys 2000. Las variables que se tuvieron en cuenta fueron: refracción, agudeza visual antes y después de la adaptación, etiología y tipo de lente de contacto. Resultados: De la muestra 50% fueron mujeres y 50% hombres, 52% de los ojos fueron derechos y 46% izquierdos y con afectación bilateral un 67%. El 78,2% (110 casos) de los ojos tratados correspondieron a queratoconos, 4 traumatismos corneales, 9 infecciones corneales y 6 astigmatismos idiopáticos. De las 133 lentes de contacto que se adaptaron 103 fueron lentes híbridas (Softperm(R)),, 20 sistemas piggy-back, 5 hidrofílicas gruesas (Queratosoft(R)), 4 hidrofílicas y 3 rígidas gas permeables. La agudeza visual (AV) previa media fue de 0.28 (DE 0,24) (rango 0,1-0,8). Después de la adaptación de la lente de contacto la agudeza visual fue de 0,81 (DE 0,23) (rango 0,1-1). Se encontraron diferencias significativas entre la AV pre/postratamiento con una mejoría visual de 0,53 (DE 0,28). Conclusiones: Sólo a través del manejo de multitud de lentes de contacto por un oftalmólogo especializado se puede llegar a un buen resultado visual-confort en ojo con astigmatismo irregular
Purpose: To study the adaptation of contact lens in a sample of 133 eyes with irregular astigmatism. Methods: A retrospective study was made in 133 eyes with irregular astigmatism. The selection criterion was to obtain a sample population with irregular astigmatism that was unlikely to be corrected with spectacles or conventional contact lens. A complete ophthalmologic exploration which included a topography with the Eye-Sys 2000 corneal topographer was made was made. The variables analyzed in the study were: refraction, visual acuity before and after the correction, cause of the astigmatism and contact lens used. Results: An equal number of women and men were enrolled in the study. The right eye was studied in 52% of cases, and the left eye in 46%. Both eyes were affected in 67% of the subjects. The reason for the astigmatism was keratoconus in 110 eyes (78.2%), and there were 4 corneal injuries, 9 ocular infections, and 6 idiopathic astigmatisms. Among the contact lens used in the study: in 103 eyes a hybrid lens (Softperm(R)), was adapted, in 20 eyes a piggyback system, in 5 eyes a thick hydrophilic lens (Queratosoft (R)),, in 4 eyes a hydrophilic contact lens and in 3 cases a rigid gas permeable contact lens. The average visual acuity before the adaptation was 0.28 (SD 0.24) (range 0.1-0.8). After the use of the lens the average visual acuity was 0.81 (SD 0.23) (range 0.1- 1). Statistically significant differences between the visual acuity before and after treatment were found, with an improvement of 0.53 (SD 0.28) obtained. Conclusion: Only with experience using a large variety of non-conventional contact lens can a specialist contact lens ophthalmologist achieve a good result
Assuntos
Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Humanos , Lentes de Contato , Astigmatismo/diagnóstico , Astigmatismo/terapia , Ceratocone/complicações , Ceratocone/diagnóstico , Transplante de Córnea/métodos , Estudos Retrospectivos , Ceratocone/terapia , Transplante de Córnea/instrumentação , Transplante de Córnea/patologiaRESUMO
PURPOSE: To study the adaptation of contact lens in a sample of 133 eyes with irregular astigmatism. METHODS: A retrospective study was made in 133 eyes with irregular astigmatism. The selection criterion was to obtain a sample population with irregular astigmatism that was unlikely to be corrected with spectacles or conventional contact lens. A complete ophthalmologic exploration which included a topography with the Eye-Sys 2000 corneal topographer was made was made. The variables analyzed in the study were: refraction, visual acuity before and after the correction, cause of the astigmatism and contact lens used. RESULTS: An equal number of women and men were enrolled in the study. The right eye was studied in 52% of cases, and the left eye in 46%. Both eyes were affected in 67% of the subjects. The reason for the astigmatism was keratoconus in 110 eyes (78.2%), and there were 4 corneal injuries, 9 ocular infections, and 6 idiopathic astigmatisms. Among the contact lens used in the study: in 103 eyes a hybrid lens (Softperm) was adapted, in 20 eyes a piggy-back system, in 5 eyes a thick hydrophilic lens (Queratosoft), in 4 eyes a hydrophilic contact lens and in 3 cases a rigid gas permeable contact lens. The average visual acuity before the adaptation was 0.28 (SD 0.24) (range 0.1-0.8). After the use of the lens the average visual acuity was 0.81 (SD 0.23) (range 0.1-1). Statistically significant differences between the visual acuity before and after treatment were found, with an improvement of 0.53 (SD 0.28) obtained. CONCLUSION: Only with experience using a large variety of non-conventional contact lens can a specialist contact lens ophthalmologist achieve a good result.
Assuntos
Astigmatismo , Lentes de Contato , Adolescente , Adulto , Idoso , Criança , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Optometria , Estudos RetrospectivosRESUMO
Objetivo. Estudio retrospectivo de tres casos de osteocondritis disecante de la rodilla tratados con aloinjertos osteocondrales congelados de banco de huesos. Material y método. Tres casos tratados con un tiempo de evolución que va desde los 2,7 a los 4,5 años (media 3,4 años).Resultados. Para su valoración se utilizó la escala modificada de Merle D'Aubigné y Postel, siendo dos casos excelentes y bueno el otro. No hubo complicaciones relacionadas con el acto operatorio, ni con la colocación del aloinjerto, ni reacción inmunológica alguna. Mediante estudios Rx seriados y resonancia magnética nuclear (RMN) se ha comprobado en todos los casos la buena osteointegración del aloinjerto osteocondral. Conclusiones. Es una técnica sencilla, indicada en adultos jóvenes activos con una zona amplia de osteocondritis, en los cuales no está indicada la artroplastia total de la rodilla (AU)
