Using a heat-sensitive membrane, researchers led by Jeehwan Kim at the Massachusetts Institute of Technology (MIT) have made very lightweight sensors and portable thermal imaging cameras possible.

If you have indoor prescription glasses and tire of having to switch to sunglasses every time you go outside, make the transition to transitional lenses. Regardless of style or prescription, once you ...

Shaped like a bullseye, the soft multifocal contact lenses have two basic portions for focusing light. The center portion of the lens corrects nearsightedness so that distance vision is clear, and it ...

We test a lot of different types of photo equipment at PCMag, but our focus is on cameras and lenses. To properly evaluate them, we perform both standardized lab tests in a controlled environment, and ...