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 ...

Monofocal and multifocal lenses are both types of artificial intraocular lens (IOL). A monofocal lens has one focusing distance, whereas a multifocal lens can focus on close and far distances at the ...

The lens of your eye is an olive-shaped portion that sits just behind the cornea, pupil, and iris. It changes shape to help focus on different distances that we see. Many things can go wrong with the ...

The first and only monthly Water Gradient multifocal contact lens — feels like nothing even at day 301 Provides excellent visual acuity at all distances, near through far, with Alcon’s proven ...

Many begin to feel around age 40 a natural change in the ability to focus up close. The text on the phone moves farther away, reading becomes less comfortable, and sometimes it is necessary to switch ...

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 ...

This study investigated the influence of large-diameter multifocal contact lenses on the ocular surface, visual quality, and visual function for presbyopic adults with dry eye syndromes. The study ...