However, they can be programmed with a variety of gradient index (GRIN) structures including diffractive and refractive lenses. The polymers self develop in respnse to light, enabling complex 3D GRIN ...

I have confidently helped patients navigate the IOL selection process for both cataract surgery and refractive lens ...

Lenses are usually made from glass or plastic ... from the normal – a line at 90° to the refracting surface. It is refraction that makes some objects appear to bend when they are viewed ...

Viltrox has added a new lens to its full-frame Viltrox Air series, the Viltrox AF 50mm f/2.0 Air FE/Z, which comes with ...

The first lens has high optical power and a low index of refraction and dispersion since we can’t correct for such aberrations. The second lens offsets any aberrations that do occur in the first ...

For nearly 30 years, I have confidently helped patients navigate the IOL selection process for both cataract surgery and refractive lens exchange. ATHENS, Greece — In this Healio Video ...

focal length and weighs around 170g (6oz). It has 12 elements in 10 groups, with one aspherical lens, two high-refractive index lenses and one ED lens. Buy now: In addition to the new offerings ...