He says: “The best candidates for lens replacement surgery with implantation of a multifocal lens to give good distance ...

The initial attempts involved the creation of multifocal lenses that have concentric rings of different optical strengths so that light from different distances is focused on the retina.

Shaped like a bullseye, the soft multifocal contact lenses have two basic portions for focusing light. The center portion of the lens corrects nearsightedness so that distance vision is clear ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

Intraocular lens malpositions include decentration ... These conditions could necessitate PC IOL removal and replacement with a shorter PC IOL. Phakic PC IOLs that are too short can not only ...

The fit and feel of contact lenses are very nuanced, and it can take some trial and error to make sure they’re just right. You want lenses that offer precise vision ...

And there are limitations regarding multifocal lenses (progressives ... first pair arrived damaged and needed replacement — more on that below). Lenses were accurately cut, the finish of the ...

Here’s how it works. The best iPhone lenses can quickly boost the quality of your smartphone photos and videos. Both the new iPhone 16 Pro models feature 5x telephoto lenses, while older iPhone ...

Learn all about pool liner replacement costs so you know what to expect before you dive in. Pool liner replacement costs can vary from $1,000 to $6,000 or more, depending on factors like pool type ...

Can you do that? I'm an orthopedic surgeon and we've just completed a total knee replacement for a patient with severe osteoarthritis of the knee. Let me walk you through the process. On the ...

The national average window replacement cost ranges from $734 to $1,806 per window, depending on the window’s frame, size and style. Casement windows are one of the most popular styles and range ...