While wave upon wave of smartglasses and face-based wearables crash on the shores of CES, traditional glasses really haven’t changed much over the hundreds of years we’ve been using them. The last ...

Please provide your email address to receive an email when new articles are posted on . Toric multifocal contact lenses increased the share of eyes with ametropia covered by a lens portfolio. Bausch + ...

Please provide your email address to receive an email when new articles are posted on . Significantly more patients with multifocal IOLs were spectacle-free for near tasks than those with monofocal ...

What Is Progressive Multifocal Leukoencephalopathy? Progressive multifocal leukoencephalopathy (PML) is a rare and serious infection that attacks part of your brain. You can get it when your body ...

At CES, smart glasses were unveiled that replace multifocal lenses with real-time focus adjustment, no cameras or screens, ...

Multifocal lenses use multiple refractive zones built in rings to give patients distance and near vision. These lenses are designed to address the problem of presbyopia, in which people over the age ...

After bilateral cataract surgery, patients implanted with multifocal intraocular lenses (IOLs) were more likely to be spectacle-independent but also to undergo IOL exchange than those with monofocal ...

A new study suggests that older adults who wear multifocal contact lenses to correct problems with near vision, a very common condition that increases with age, may have greater difficulty driving at ...

What Is Multifocal Motor Neuropathy? Multifocal motor neuropathy (MMN) is a rare disease that causes slowly worsening muscle weakness, mainly in your hands, arms, and legs. It affects your body's ...

A multifocal metalens, which focuses incident light at multiple foci, has many applications in imaging systems and optical communications. However, the traditional design strategy of a multifocal ...