Presbyopia is an age-related refractive condition marked by a gradual decline in near vision, typically emerging between ages ...

The Cooper Companies, Inc. COO is well-poised for growth on the back of strong prospects in its CooperVision (CVI) and ...

The House Foreign Affairs Committee’s ranking member Gregory Meeks (D-N.Y.) said the allegations of Musk’s contacts with Putin “raise many serious questions,” but he didn’t explicitly ...

While Google Contacts is otherwise a good example of a modern Material You app, my one design quibble has been the blocky scroll bar. This has finally been addressed as part of a broader tweak to ...

Lomography has announced an upgraded version of its Lomo’Instant Wide Camera that swaps the original’s 90mm plastic lens for one made with multi-coated glass. The company says its new Lomo ...

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 ...

WhatsApp is rolling out the ability to add and edit contacts from within the messaging app, even on linked devices. Users will see a new setting to "Sync contact to phone" whenever they save a new ...

They allow you to use one eye for distance vision and the other for close-up vision. These take some getting used to as your brain adapts to them. Multifocal contacts have several rings with different ...

Thus, this method provides a new approach for the design of progressive addition lenses. Figure 2. Design process flowchart. Unlike progressive multifocal freeform surfaces, defocused freeform ...

WhatsApp is getting a built-in contact manager that lets you save contacts within the app so you don’t lose them if you switch phones. WhatsApp typically relies on the smartphone address book it ...

WhatsApp on Tuesday announced a new feature that will allow users to save contacts within the app. That means that even if you lose your phone or link a new device to your primary number ...

The best standard zoom lenses are some of the most versatile tools a photographer can carry in their arsenal. While there isn't an official ruling on what constitutes a standard zoom, it's generally ...