New Symfony Lens for Cataract Surgery | 合法醫療器材資訊網

ThegoaloftheSymfonylensistogivealarger,morecontinuousrangeofvisionfromdistancetonear,althoughpatientsdodescribeneedingglassestoreadfine​ ...

A new intraocular lens for cataract surgery, called the Symfony Lens, has just been FDA approved, and it is quickly becoming very popular.  It is a new optical technology that is being described as providing “Extended Range of Vision.”   Extended Range of Vision, essentially means giving good distance vision, but also allowing patients to see well at mid-range (computer, cooking, piano), and even have some reading vision.

Previous Technologies

Before the Symfony lens was available, there were several different options available to try to give patients vision at different distances.  Multifocal lenses use diffractive technology to give simultaneous vision by splitting light into multiple distinct foci.  The benefits of these lenses are that they give pretty good distance and reading vision, but the main limitation was that mid-range vision was somewhat limited, a...