Learn more about the process by viewing the Overview and access to Field Review page. The American College of Radiology will periodically define new practice parameters and technical standards for ...

Abstract: The paper investigates the structural parameters of laser triangulation measurement system (LTMS) based on the utilization of commercial lenses, and offers a basis for choosing the most ...

A retrospective study explored corneal tomography factors predicting contact lens prescribing habits for keratoconus. Corneal tomography data may predict rigid lens modality in eyes with keratoconus.

The Volunteer Income Tax Assistance (VITA) program is an IRS and community-sponsored program designed to assist low to moderate income taxpayers with the preparation of their annual tax returns at no ...

Here’s how it works. The best iPhone lenses can quickly boost the quality of your smartphone photos and videos. Both the new iPhone 16 Pro models feature 5x telephoto lenses, while older iPhone ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

Our lens reviews offer detailed information on sharpness, distortion, bokeh, and all the other important factors that go into making a lens great. Our reviews give you all the information you need ...

The fit and feel of contact lenses are very nuanced, and it can take some trial and error to make sure they’re just right. You want lenses that offer precise vision ...

Welcome to our guide to the best Canon portrait lenses. Whether you're using a Canon DSLR, an EOS M mirrorless camera or one of the latest EOS R mirrorless cameras, these are the fast primes that will ...

With the best macro lenses, photographers can capture startlingly detailed images of the tiniest subjects, both natural and well-made. If you've come across an image of a tiny insect or plant that ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...