A new handheld device can help patients visualise how their world will look through a variety of intraocular lenses (IOLs) prior to cataract surgery.
The system, nicknamed the SimVis, replicates monofocal, bifocal and trifocal IOLs – as well as their limits, from blurry distances with monofocal lenses to the loss of image quality and contrast with multifocal lenses.
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