The American man of science, Benjamin Franklin, who persevered both myopia as well as presbyopia, devised bifocal reading glasses in 1784 to avoid needing to frequently switch betwixt 2 pairs of eyeglasses.

The first lens pair for correcting astigmia were constructed by the British astronomer George Airy within 1825.

In the history of bifocal reading glasses, the building of pectacle frames also evolved. In early stages oculars were contrived to be either kept in place with your hand or by maintaining force on the nose. Girolamo Savonarola advised that eyeglass lenses could be held in place with a ribbon placed over the subject’s head, which in turn was fastened by the weight of one’s hat.

Entering modern bifocal history, the contemporary fashion of bifocal spectacles supported by temples passing over the ears, was produced in 1727 by the British lens maker Edward Scarlett. These designs were not at once prosperous, however, and assorted styles with attached handles like “scissors-glasses” and lorgnettes stayed fashionable throughout the eighteenth and into the early nineteenth century.

In the early 20th century, Moritz von Rohr at Zeiss produced the Zeiss Punktal spherical point-focus lens system which dominated the eyeglass lens domain for many years.

Despite the rising fame of contacts and laser restorative eye surgery, eyeglasses stay rather common, as their technology has continued to improve. For example, it’s currently possible to buy frames constituted of special memory metal alloys that return to their correct configuration after being bent. Other frames have spring-loaded hinges.

Glasses have come a long way, haven’t they? In fact, today you can even buy rimless eyeglasses.

Most of these designs are also distinctly better capable of resisting the rigors of day-to-day wear as well as the occasional accident. Modern frames are also frequently made from solid, light-weight materials such as titanium alloys that were not obtainable in earlier times.