Phakic IOL technologies have undergone substantial improvements in recent years, with progressive upgrades in design and material and more accurate sizing strategies.At the ESCRS winter meeting, Erik ...

“Thank You Very Much,” directed by Alex Braverman, uses archival footage and interviews to explore the appeal of a stand-up who didn’t tell jokes. By Alissa Wilkinson With her kind eyes and ...

When I was a kid watching anime, I always dreamed of trying claw machines but finding the same kind as in Japan was really hard IRL. Well, the Roblox Claw Machine Simulator made my childhood dreams ...

Irises are loved for their sumptuous, colourful, and beautifully marked flowers. The Iris genus comprises a wide range of types that can be grown in a variety of locations, from pond margins and damp ...

Sony stole a lead on other manufacturers in the full-frame mirrorless market, and it’s had more time to build up a wide array of companion lenses to suit every need and budget. I've always been a big ...

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