Many people with diabetes need to prick their finger for a drop of blood up to eight times a day to monitor their glucose levels, an uncomfortable and cumbersome task. It can all add up to tens of ...

A professor in the College of Optical Sciences at the University of Arizona, Dr. Jim Schwiegerling, recently designed and developed implantable cataract replacement lenses for the eye. These lenses ...

“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 ...

Imagine putting on a pair of contact lenses and suddenly being able to see things that are invisible to the naked eye. Scientists have developed a new type of contact lens that lets people see in the ...

When you use DPReview links to buy products, the site may earn a commission. Nikon has announced the Nikkor Z DX Micro 35mm F1.7, an APS-C macro lens with a roughly 53mm equiv. focal length and the ...

A completely flat, ultrathin lens can focus different wavelengths of light at the same point, achieving instant color correction in one extremely thin, miniaturized device. Most lenses are, by ...

Grinding glass is one way to make a lens. Using plastic goop, a little salt, and electricity is now another way. That’s what researchers at Lucent Technologies’ Bell Labs in Murray Hill, N.J., have ...

Most colors that we see are a combination of the three primary colors of light: red, green, and blue. These additive colors can mix together to form other familiar hues such as yellow, magenta, and ...

The only other FDA-approved product to slow myopia are contact lenses made by a company called MiSight. The daily disposable lenses, approved in 2019, use a similar approach intended to slow the ...

A new 400mm supertele is just the beginning. Canon also says it plans a replacement for its 100-400mm zoom and new compact models using diffractive optics. Stephen Shankland worked at CNET from 1998 ...