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

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 ...

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 ...

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 ...

Latest addition to Alcon’s intraocular lens (IOL) portfolio expands surgeons’ presbyopia-correcting IOL (PC-IOL) offerings Vivity X-WAVE technology delivers extended range of vision while maintaining ...