The COVID-19 pandemic has led to increased astigmatism in children, with prolonged screen time and less outdoor activity ...

I’ve been wearing contact lenses for over two decades; to find the best contact lenses for different vision needs, I tapped into my own experience and also relied on the expert insights of ...

With the best lenses for iPhone and Android phones, you can gain a whole new perspective in your smartphone photography and videography. Smartphone camera arrays are undoubtedly improving, especially ...

Gwyneth Paltrow is considered a pillar of health in the wellness community, which has made her the subject of scorn in the past. Critics have deemed her “unrelatable” and her goals ...

At Mobile World Congress 2025, Xiaomi showcased a Modular Optical System (MOS) that magnetically attaches a lens to a custom Xiaomi 15. It's like a Moto Mod, but with a full-fledged, working ...

The interchangeable-lens concept is currently a prototype Realme is offering a 73mm portrait and a 234mm telephoto lens The company also previewed a voice-based image editing feature ...

Meet the Realme interchangeable lens concept - a Realme smartphone that can mount Leica M lenses on its back! Before we go mounting lenses on, let's look at the underlying phone. This is a Realme ...

Please provide your email address to receive an email when new articles are posted on . Consider angle morphology when treating patients with neovascular glaucoma. Comparable visual acuity and IOP ...

Purpose: The aim of this study was to evaluate the effect of residual astigmatism on postoperative visual outcomes after trifocal intraocular lens implantation. Methods: In this prospective ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

Shoot sports? You'll need one of the best lenses for sports photography – here are the best buys for Canon, Sony, L-mount, Nikon, Fujifilm, Pentax and Micro Four Thirds shooters I've long been into ...

The annual mobile trade show in Barcelona kicks off today, but just ahead of the event Xiaomi has shown off a prototype camera lens. I am, apparently, one of only two media members to get hands on ...