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 ...

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 ...

This supplement is a compendium of research conducted by Johnson & Johnson Surgical Vision, Irvine CA about the performance of a new purely refractive Extended Depth of Focus IOL, TECNIS PureSee™ IOL.

One of the most striking differences between your iPhone and a large camera like a DSLR is the way the two cameras focus and control depth of field. In a DSLR, depth of field is easy to manage by ...

Cataltheia Group’s Bruno Vision Care has won FDA clearance for an extended depth of focus contact lens for presbyopia. The Boca Raton, Fla.-based company said this is a first for FDA and that until ...

Researchers from the University of Tartu Institute of Physics have developed a novel method for enhancing the quality of three-dimensional images by increasing the depth of focus in holograms fivefold ...

Please provide your email address to receive an email when new articles are posted on . A pinhole effect, achieved through surgery, pharmacologic agents, IOLs or inlays, can treat significant ...

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 ...