Adaptación Transcultural al español de la escala “Convergence Insufficiency Symptom Survey” (CISS)
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2024
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26/04/2024
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Universidad Complutense de Madrid
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Abstract
La insuficiencia de convergencia es la disfunción de la visión binocular más ampliamente estudiada. Se reportan síntomas asociados a ella con diversas etiologías. En los adultos, los más usuales son, fatiga visual, dolores de cabeza y visión doble, y en niños, diplopia y visión borrosa. El uso de instrumentos que recojan las respuestas percibidas por los pacientes (PRO) facilita la recopilación de datos de forma estandarizada para realizar inferencias sobre las poblaciones de interés. Un instrumento PRO de calidad debe tener dos características fundamentales: Evaluar un único constructo y hacerlo sobre una escala de intervalo. Hasta este momento el cuestionario Convergence Insufficiency Symptom Survey (CISSv15), es el instrumento más extendido para medir insuficiencia de convergencia; no existiendo ningún instrumento validado en lengua española para cubrir ese propósito. El análisis de Rasch, englobado dentro de la teoría de respuesta al ítem (IRT), ofrece un modelo matemático capaz de convertir las observaciones registradas mediante cuestionarios en medidas lineales y además, permite verificar si esa transformación presenta la calidad necesaria...
Convergence insufficiency is the most widely studied dysfunction of binocular vision. Symptoms associated with it are reported with various etiologies. In adults, the most common symptoms are visual fatigue, headaches, and double vision, while children may experience diplopia and blurry vision. The use of Patient-Reported Outcome (PRO) instruments facilitates the standardized collection of data to make inferences about populations of interest. A quality PRO instrument should have two fundamental characteristics: assessing a single construct and doing so on an interval scale. Up until now, the Convergence Insufficiency Symptom Survey (CISSv15) has been the most widely used instrument to measure convergence insufficiency.. However, there is no validated instrument in the Spanish language to fulfill this purpose. Rasch analysis, encompassed within item response theory (IRT), offers a mathematical model capable of converting questionnaire responses into linear measures and allows to verify the required quality of this transformation...
Convergence insufficiency is the most widely studied dysfunction of binocular vision. Symptoms associated with it are reported with various etiologies. In adults, the most common symptoms are visual fatigue, headaches, and double vision, while children may experience diplopia and blurry vision. The use of Patient-Reported Outcome (PRO) instruments facilitates the standardized collection of data to make inferences about populations of interest. A quality PRO instrument should have two fundamental characteristics: assessing a single construct and doing so on an interval scale. Up until now, the Convergence Insufficiency Symptom Survey (CISSv15) has been the most widely used instrument to measure convergence insufficiency.. However, there is no validated instrument in the Spanish language to fulfill this purpose. Rasch analysis, encompassed within item response theory (IRT), offers a mathematical model capable of converting questionnaire responses into linear measures and allows to verify the required quality of this transformation...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Óptica y Optometría, leída el 26-04-2024