20/20

July 2014 Eyes/Optics

Eye Infections, Part Two

This author has put together the "fearsome five" i.e., the worst five afflictions based on my rankings. Here are the first two.
March 2014 Eyes/Optics

Design of Iseikonic Lenses, Part Two

The magnification created by any ophthalmic lens is determined by: Dioptric power, Vertex distance, Base curve, Center thickness and Lens material.
February 2014 Eyes/Optics

Design of Iseikonic Lenses, Part One

The design of iseikonic lenses is a tool given to opticians to correct aniseikonia.