CategoriesOptical Lenses
Affordable low vision devices with plastic aspheric lenses
AFFORDABLE LOW VISION DEVICES WITH PLASTIC ASPHERIC LENSES. What is Low Vision? Low Vision indicates a vision of less than…
CategoriesOptical Lenses
What-Why-Where of Aspherics?
What is an ASPHERIC: Aspheric surface implies a non-spherical (viz: conic) surface with rotational symmetry about its optical axis. The…
CategoriesOptical Lenses
Measuring Aspheres: Selecting the Best Technique
The benefits of aspheric lenses are numerous: They allow for a reduction in spherical aberrations and are ideal for focusing…
CategoriesOptical Lenses
Aspheric Lenses: Optimizing the Design
With the understanding of aspheric lens manufacturing provided in this article, designers must have the tools to optimize their aspheres; the next…