Patients who underwent refractive lens exchange with a diffractive multifocal IOL had contrast sensitivity comparable with that of preoperative levels under photopic and mesopic lighting conditions.

A thorough grasp of optical physics and lens design features is essential to optimizing patient satisfaction with multifocal IOLs, a surgeon said. “Who is the right patient for a multifocal lens?” ...

To compare best-corrected visual acuity (BCVA) and contrast sensitivity (CS) under different levels of illumination in patients who had monofocal and multifocal intraocular lenses (IOLs) and to ...

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 ...

To evaluate the postoperative outcomes of cataract eyes complicated with coexisting ocular pathologies that underwent implantation of a refractive multifocal intraocular lens (MIOL) with a ...

Our eyesight is key for survival. As an ophthalmologist, I see (pun intended) the importance of good vision every day. The need for good eyesight becomes increasingly relevant when participating in ...

Impaired vision and blindness are common. About 3.4 million people in the US are blind or visually impaired. Vision is usually measured by visual acuity charts, and normal vision is expressed as 20/20 ...

ATLANTA--(BUSINESS WIRE)--US-based medical device company and inventor of the NaturalVue® (etafilcon A) Multifocal 1 Day Contact Lenses, Visioneering Technologies, Inc (ASX: VTI) (‘VTI’ or ‘The ...

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 ...

David Berntsen, Golden-Golden Professor of Optometry and chair of Clinical Sciences at the University of Houston College of Optometry, concludes a decade of research, demonstrating that his team's ...