In photography, depth of field refers to how much of a three-dimensional space the camera can focus on at once. A shallow depth of field, for example, would keep the subject sharp but blur out much of ...

“In optics, there was a problem,” says Amit Agrawal, a physicist at the National Institute of Standards and Technology in Gaithersburg, Md. If you wanted to focus a single lens to two different points ...

The FDA has approved Deseyne contact lenses with extended depth of focus for the correction of presbyopia, according to a ...

Researchers have developed a new method for flexibly creating various needle-shaped laser beams. These long, narrow beams can be used to improve optical coherence tomography (OCT), a noninvasive and ...

Photos can pop when one area is in sharp focus and the other blurry, providing the impression of depth in a two-dimensional image that matches how our eyes focus on objects, even though we don’t ...

The Cataltheia Group and its U.S. subsidiary, Bruno Vision Care LLC, a leader in eye health innovation, today announced that the U.S. Food and Drug Administration (FDA) has cleared the first and only ...

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 ...

Needle-shaped laser beams (NBs) featuring a long and narrow localization of photons can potentially allow non-diffracting pulses with undistorted temporal profiles. Using this kind of pulse in ...

Please provide your email address to receive an email when new articles are posted on . A diffractive extended depth of focus IOL helped improve visual acuity at 3 months after bilateral implantation, ...