Choosing new glasses involves lots of factors, including the type of lens you will purchase. If you have a strong prescription, you might consider aspheric lenses. There are many types of lenses ...

Camera lenses are often described as being 'aspherical', but what does it mean, and is it the only way to design a lens? A lot of lenses are spherical, though. What we mean by “spherical” is usually ...

Aspheric lenses are designed to focus or collimate light without introducing spherical aberration into the transmitted wavefront. For monochromatic sources, spherical aberration is often what prevents ...

When Elijah Johnson, Andrew Nichols, Evan O’Brien and Ryan Brown graduate this Saturday, they will leave Rose-Hulman ...

High-index plastic. If you need a strong prescription, these lenses are lighter and thinner than the old-school super-thick ones you may have had in the past. Aspheric. These have various degrees ...

However, the hardware here is more robust and utilizes a 5.6″ display and 50mm aspheric lenses instead of a regular smart phone. The HD monitor is held within a 3D printed enclosure along with ...