Phakic intraocular lens implantation must be performed with ... such as laser-assisted in situkeratomileusis enhancement, astigmatic keratotomy, intra-corneal ring segment implantation and ...

some degree of corneal astigmatism that can be treated with an astigmatic correcting corneal incision, patients electing to have a premium intraocular lens (IOL) implanted, and patients who can ...

Digital axis marking is as effective as a manual approach when implanting toric ICLs for patients with astigmatic myopia.

Common parameters used to describe the CTF include an astigmatic defocus, the spherical aberration of the objective lens, and if appropriate, a phase shift introduced by a phase plate. The defocus and ...

Lomography has announced an upgraded version of its Lomo’Instant Wide Camera that swaps the original’s 90mm plastic lens for one made with multi-coated glass. The company says its new Lomo ...

Interchangeable lens system opens up new shooting possibilities. Better battery life. Magnetic mounting system (finally). Optional USB-C pass-through charging. Excellent Log video support.

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 ...

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 ...

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 ...