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

With a range of treatments available for presbyopia, the challenge for clinicians is to guide patients toward the most ...

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

Learn more› By Erin Roberts We will soon update this guide to focus entirely on Canon RF-mount mirrorless lenses, following the structure of our Nikon Z-mount lens guide. Keep an eye out for new ...

Jeremy Agbonifo (Lens) left footed shot from the right side of the six yard box is close, but misses to the right. Assisted by Anass Zaroury with a cross. Attempt missed. M'Bala Nzola (Lens ...

“We are at pains to say that some of the observations made in the impugned order…depict a total lack of sensitivity on the part of the author of the judgment,” a bench of Justices B R Gavai and A G ...

To see if $50 could bridge this gap, I recently bought an anamorphic lens for my smartphone, and took it for a spin in both London and Australia. I've used anamorphic lenses on actual video ...

That's why we've made this article, which we'll keep updated throughout the year with all the cameras, lenses, and other pieces of gear that we've used. We got to test Canon's latest fast, wide-angle ...

Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on amateur telescopes. Engineers and astronomers at the University of Utah have ...

"Pseudophakia" refers to an artificial or fake lens, also known as an intraocular lens (IOL), that is implanted in your eye in place of the clouded lens removed during cataract surgery. The new false ...

In recent decades, the advent of premium intraocular lenses (IOLs ... The visual quality in terms of contrast sensitivity was reported to decrease in cataract patients after multifocal IOL ...