The usability of a contact lens largely depends on its design. Contact lenses need to be safe and convenient as they are in close contact with the eye and people may use them for extended periods of ...

Scleral contact lenses are specialised devices designed to vault over the cornea and rest on the sclera, creating a fluid reservoir that promotes hydration of the ocular surface. Widely used for ...

Physicists in the US have made the first ultrathin flat lens. Thanks to its flatness, the device eliminates optical aberrations that occur in conventional lenses with spherical surfaces. As a result, ...

I've been reviewing hardware and software, devising testing methodology and handed out buying advice for what seems like forever; I'm currently absorbed by computers and gaming hardware, but ...

A flat lens that allows a camera's focus to be maintained for objects separated by distances of up to six meters could offer benefits to smartphones and mobile devices, including the potential removal ...

As electronic devices get smaller, lighter, and thinner, the associated optics must do the same. Fortunately, some of the technologies of electronics are also applicable to optics, and vice versa, as ...