Aspheric IOL implantation markedly reduced spherical aberration and vertical coma, but the decrease in aberrations may have correlated with an undesirable reduction in depth of focus. “The results in ...

In the current age of refractive cataract surgery, we measure the quality of vision in addition to the quantity of vision. The patient’s image quality is as important as his or her Snellen acuity, ...

Shanghai Optics is a leading manufacturer of custom Aspheric Lenses. We are experienced in achieving high precision quality Aspheric Lenses with different glass types such as CDGM, Hoya, Ohara, and ...

Knight Optical can offer Custom Moulded Aspheric Lenses for use with Fibre Coupling. Aspheric lens surfaces can also be used for Fibre Coupling, not just Laser Diode Collimators. A common use for ...

Aspheric surface metrology and interferometry represent a cornerstone in the advancement of modern optical systems, where precise measurement and fabrication of non-spherical optical components are ...

Thirty patients were randomised to receive one of six lens implants including three aspheric lenses and their spherical counterparts. Pre and postoperative testing was carried out including visual ...

Zygo is a market leader when it comes to interferometric metrology instrumentation. With two key product lines in that category, Zygo offers an optical profiler and a laser interferometer as well as ...

The measurement technique of an aspheric surface is mainly for the surface form and parameters. The surface form is the three-dimensional distribution of the surface in the spatial domain. The ...