High-resolution retinal imaging based on ... with the crystalline lens acting as an aspheric compensator for providing a (partial) correction of corneal spherical aberration and avoiding major ...

Optical grinding and polishing plays an important role when optimizing the quality of an imaging system or minimizing ... One asphere can replace multiple spherical lenses, thus reducing the ...

Spanoptic was founded over 32 years ago and is regarded as one of the largest independent lens making companies in the United Kingdom. We manufacture flats, prisms, aspheres, cylinders and spherical ...