New ISO standards categorize SVIOLs into multifocal, EDOF, and FVR IOLs, requiring rigorous clinical testing for ...

The clinical results of smile surgery, which has become a trend in the field of nearsighted and astigmatism correction ...

A University of Liverpool spin-out company, Ocuwell Ltd, is leading an ambitious UK-South Korea collaboration to advance personalised treatment f ...

A fairly prevalent vision disorder that results from an irregularly shaped cornea or lens is astigmatism, which causes hazy or distorted vision. Choosing between prescription spectacles and ...

We specifically demonstrate a hybrid nonlinear meta-lens composed of a plano-convex linear refractive lens coated with a 400 nm thick nonlinear metasurface membrane. We show that the resulting hybrid ...

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

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 ...

That means the lenses’ design can take into account your exact eye shape, how you normally move your eyes, and even the specific positioning of each lens within the frames. Digitally surfaced ...

LASIK (laser in situ keratomileusis) and PRK (photorefractive keratectomy) are types of laser surgeries that can correct nearsightedness, farsightedness, and astigmatism. They may even eliminate your ...

Capturing precise 3D details with a single camera has long been a challenge. Traditional methods often require complex ...