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 ...

Credit: Getty Images Erin S. Tomiyama, OD, PhD, an investigator involved in the BLINK study group from 2019-2022, shares lessons learned from this pivotal trial and discusses how these findings may ...

Correspondence to Professor Bruce V Taylor, Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia; bruce.taylor{at}utas.edu.au Despite 30 years of research there ...

Summary: New research demonstrates that high-add multifocal contact lenses significantly slow myopia progression in children, with benefits that persist even after discontinuation. The lenses, ...

Multifocal IOLs have slightly less than 5% of the market in the U.S., which has been constant for the past 5 years. Yet, there are practices that implant in excess of 90% of their cataract surgery ...

3 Service de Neurologie, CHU Henri Mondor, Assistance Publique-Hôpitaux de Paris, Créteil, France 4 Service d’Immunologie Clinique, CHU Henri Mondor, Assistance Publique-Hôpitaux de Paris, Créteil, ...

You know you have presbyopia when your regular glasses or contact lenses only appear to work when you hold things at arm’s length. Or you may need to use the light on your handphone to read the menu, ...

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 ...