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handle: 10261/229094 , 10261/31730
Se presenta un instrumento para la simulación de correcciones oftálmicas multifocales que comprende dos canales ópticos con diferentes potencias ópticas en los haces procedentes del objeto observado, en el que al menos uno de los canales comprende un sistema de Badal. Este instrumento proporciona simultáneamente imágenes de objetos enfocados de lejos y cerca. El sistema proporciona los mismos aumentos ópticos para cada canal, sea cual sea su potencia óptica, y resulta en imágenes retinianas superpuestas con distinto grado de enfoque que, a diferencia de otros dispositivos, tienen el mismo tamaño. El instrumento permite simular distintas potencias ópticas para visión cercana y distintas correcciones refractivas para visión lejana. [ES]
The invention relates to an instrument for simulation of multifocal ophthalmic corrections, comprising two optical channels with different optical power values in the beams coming from the object observed, wherein at least one channel comprises a Badal system. This instrument simultaneously provides images of objects near and far focused. The system provides the same optical magnifications for each channel, regardless of the optical power thereof, and produces superimposed retinal images with different degrees of focus which, unlike other devices, are all of the same size. The instrument allows simulating different optical powers for near vision and different refractive corrections for distant vision. [EN]
Consejo Superior de Investigaciones Científicas (España)
T3 Traducción de patente europea
Peer reviewed
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