Evaluación de la performance de filtros ópticos de uso oftálmico utilizando distancias Euclídeas

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Gustavo Ratto
Fabiàn Videla

Resumen

El estilo de vida de las sociedades actuales involucra el empleo intenso de pantallas a LED. La radiación luminosa que emana de estos dispositivos posee alto contenido espectral en una región identificada como fototóxica (aproximadamente 380- 500 nm). La exposición a este tipo de radiación es en parte responsable del “estrés ocular digital” y de la alteración de los ritmos circadianos. Frente a esta situación se han sugerido un conjunto de medidas preventivas y paliativas, entre ellas el empleo de anteojos con capacidad para filtrar luz fototóxica.


El presente trabajo compila, en lengua española, información relevante sobre la problemática y, mediante el uso de distancias Euclídeas, como criterio para diferenciar espectros, presenta y discute la performance de distintas lentes disponibles en el mercado con el objetivo de brindar información orientativa sobre su potencial efectividad. Se analizaron lentes transparentes y pigmentadas específicas (publicitadas como protectoras de exceso de luz azul) y pigmentadas no específicas (bajo costo). Nuestros resultados muestran que las lentes transparentes específicas ensayadas no presentan un grado de atenuación significativo en la región fototóxica. Por su parte, las lentes pigmentadas específicas poseen, en general, una muy buena atenuación mientras que las no específicas poseen una moderada capacidad de atenuación.


 

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Ratto, G., & Videla, F. (2021). Evaluación de la performance de filtros ópticos de uso oftálmico utilizando distancias Euclídeas . Ingenio Tecnológico, 3, e019. Recuperado a partir de https://ingenio.frlp.utn.edu.ar/index.php/ingenio/article/view/49
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