Vision for near, intermediate, and distance in the same lens. An optometrist explains how multifocal lenses work, who they are suitable for, and what is important to know before deciding to switch.

Please provide your email address to receive an email when new articles are posted on . In the U.S. market, we currently have three newer multifocal IOLs approved for use: the Alcon Clareon PanOptix ...

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 + ...

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 ...

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 ...

Multifocal atrial arrhythmia is an uncommon type of tachycardia that usually develops in people with certain illnesses. Those with the condition have a heart rate of over 100 beats per minute.

GENEVA, February 17, 2026--(BUSINESS WIRE)--Alcon (SIX/NYSE: ALC), the global leader in eye care dedicated to helping people see brilliantly, today announced the U.S. launch of TOTAL30 ® Multifocal ...

Progressive multifocal leukoencephalopathy (PML) is a demyelinating disease of the brain caused by the JC virus (JCV). PML usually occurs via reactivation of JCV when an immune system becomes ...

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 ...